Design It 111960C Guide d'installation

Marque: Design It

Modèle: 111960C

Taper: Guide d'installation

Mortar

Glass Block

Installation System

assembly

instructions

www.sevesglassblock.com

GLASSBLOCK

Seves Glass Block

Mortar Glass Block Installation System

Assembly Instructions

Introduction:

The Mortar I System utilizes Seves Glass Block perimeter

channels on all four sides. You will also use Universal

Mortar Spacers and glass block mortar to produce clean,

consistent 1/4" joints and a traditional grid look.

The Mortar II System does not use the Seves Glass Block

perimeter channels but instead utilizes expansion strips,

panel reinforcing and panel anchors. You will also use

Universal Mortar Spacers and glass block mortar to produce

clean, consistent 1/4" joints and a traditional

grid look.

Here is additional information about each method.

Mortar I: (page 3)

• This method is designed for use with

Seves Glass

Block

4-in (4" thick) and 3-in (3" thick) Series Glass

Block.

• The installation recommendations are for small

residential panels of 25 sq. ft. or less.

• Not for use in constructing curved glass block walls.

• Interior and exterior panels must be framed on all

four sides.

Note: This method is not to be used in constructing

curved glass block applications. All glass block panels

are non-load bearing, so adequate provisions must be

made for support of construction around the panel.

Mortar II: (page 14)

• This method is designed for use with

Seves Glass Block

4-in (4” thick) and 3-in (3” thick) Series Glass Block.

• The installation recommendations may be used for

interior or exterior residential panels larger than 25

sq. ft.

• This method may be used to install projects framed

on two, three, or four sides.

• 4-in Series - Panel size limitations - Interior (250 sq.

ft. max) and *Exterior (144 sq. ft. max.).

• 3-in Series - Panel size limitations - Interior (150 sq.

ft. max.) and *Exterior (85 sq. ft. max.).

* Exterior panel size limitations are based on a 20

PSF (pounds per square foot). For higher windloads

consult local building codes or call Seves Glass Block at

1-877-SEVES11 (738-3711).

Note: All glass block panels are non-load bearing,

so adequate provisions must be made for support of

construction around the panel.

The joints of the Mortar I and Mortar II Systems utilize

DWUDGLWLRQDOLQVWDOODWLRQPHWKRGXVLQJDPRUWDUÀQLVK

for the classic “grid” look. Glass block sealant should

be used to seal the perimeter on both sides of the

panel.

Before you begin installing your glass blocks, decide

which installation method is right for your project.

The materials required for Mortar System glass block

installation are:

1. Seves Glass Block 3-in or 4-in Series Glass Block

2. Universal Mortar Spacers

3. Perimeter Channels - 4-in (4") or 3in (3")

(Mortar I System)

4. Expansion Strips

 []LQFSODWHGÁDWKHDGVFUHZVDSSUR[

three per lineal foot of perimeter channel)

(Mortar I System)

6. Panel reinforcing (Mortar II System)

7. Panel anchors (Mortar II System)

8. #12 x 1" zinc-plated pan head screws

(Mortar II System)

9. Glass Block white premixed mortar

10. Glass Block Sealant

11. White touch up paint (Mortar I System)

12. Latex paint, Weldbond

adhesive, or asphalt

emulsion depending upon application.

(Mortar II System)

C. Measure the opening

diagonally from corner to

corner in both directions, and

compare the dimensions to

check for squareness. These

dimensions should be equal to

within 1/8".

Note: If there are any problems with

the opening, make adjustments before

proceeding.

Mortar I System

The tools required for the Mortar I glass block

installation system are a margin trowel, mortar pan,

polyfoam brush, sponge, tin snips, screwdriver or power

GULOOÀQHWRRWKVDZRUPLWHUVDZFDXONLQJJXQXWLOLW\

NQLIHPHWDOÀOHWDSHPHDVXUH

to 1/2" striking tool

and 2' level.

sure the opening is level

and plumb.

1. Prepare The Rough Opening

A. Make sure the opening

is the correct size. To

determine the correct

size of the rough opening,

add 1/4" to the sum of the

nominal block sizes for

both the height and width.

Example: Panel (using

8" x 8" block) is four block

wide (8 x 4 + 1/4" = 32-1/4")

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+ 1/4" = 40-1/4"). Rough

opening needs to be 32-1/4"

wide and 40-1/4" high.

B. Use a level to make

C. Install the bottom channel:

• The channel may be installed in the center of the

RSHQLQJRUÁXVKZLWKWKHLQWHULRURUH[WHULRUVLGH

of the opening.

• Attach the channel to the opening by inserting

[ÁDWKHDGJDOYDQL]HGVFUHZVRUHTXLYDOHQW

through the predrilled holes in the channel. Insert

two screws in each end of the channel.

Note: If the predrilled

holes at the ends were

trimmed off when cutting

the channel to length, drill

new ones at the ends of

the cut piece.

2. Install Perimeter Channel

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The channel ends may be cut straight or mitered.

a. If cutting the ends straight:

• Cut the top and bottom channels to the width

of the opening.

• Cut the side channels to the height of the

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the top and bottom channels.

b. If mitering the ends, make all cuts at a

45° angle.

45°

B. Cut the top channel in half lengthwise with a utility

knife. Score the center groove with the knife and

break the channel in half. Apply glass block sealant

to back of channel before installing.

Note: Cutting the top channel in half will allow the top

row of blocks to be installed.

F. Paint all of the screw heads white to reduce

their visibility.

D. Install the side channels in the same manner

making sure they are plumb before attaching with

screws.

Note: You may want to slide a glass block into the

bottom channel at both corners to make sure the side

channels are aligned with the bottom channel.

Preparation of Universal Mortar Spacers

A. Assemble the spacers for the series of block you

are installing. The spacers come in

two halves, snap the spacers

 WRJHWKHUWRÀWWKHZLGWKRI

the block.

E. Install the half top channel:

• Place the half channel in the

top of the opening making

sure it is aligned with the

side channels.

• Attach the channel to the

opening by inserting #6 x 1"

 ÁDWKHDGJDOYDQL]HGVFUHZV

through the predrilled holes

in the channel. Insert a

screw at each end of the

channel.

•On exterior windows, the

screwed in half channel

should always be the exterior side.

Note: If the predrilled hole at the end was trimmed

off when cutting the channel to length, drill a new

one at the end of the cut piece.

Note: ,WLVLPSRUWDQWWRÀOHRIIDQ\EXUUV

B. Modify the spacers using tin snips based on their

location:

• Where four block come together, spacers

are used as assembled. These are called

“REGULAR”.

“REGULAR” Spacer

•Where block meet the side perimeter channel,

clip off both sets of smooth legs. Twist-off tabs

remain in place. File off any burrs so the spacer

 ZLOOOD\ÁDW7KHVHDUH

called “FLAT”.

“REGULAR” Spacer

0RGLÀHG&DOOHG“FLAT”

•For the top row of block, clip off one upper

toothed leg and cut the twist off tab in half.

These are called “H”.

“REGULAR” Spacer

0RGLÀHG&DOOHG“H”

This is a reference guide for where “REGULAR” and

PRGLÀHGVSDFHUVDUHXVHG

= “REGULAR” Spacer

= “FLAT” Spacer

= “H” Spacer

4. Mortar Preparation

The following gives an idea of the number of blocks

that can be installed per 50 pound bag of mortar.

A. Mix mortar according to the instructions on the

premix mortar bag. When mixed to the proper

consistency, mortar should stick to the edge of the

glass block when turned on edge. Be sure to read

and understand all precautions outlined by the

mortar manufacturer. Freshly mixed mortar may

cause skin irritation.

Note: Slowly add water to mortar mix. DO NOT mix

more mortar than you can install in one hour.

Note: Avoid direct contact when possible and wash exposed

skin areas promptly with water. If any gets into eyes, rinse

immediately with water and seek prompt medical attention.

White Premixed Glass Block Mortar

Block Sizes

(Nominal)

4" x 8" 6" x 6" 6" x 8" 8" x 8" 12" x 12"

No.of 4-inSeries

(4"thick)

Based on 1/4" mortar joints

34 34 30 26 18

No.of 3-inSeries

(3"thick)

42 42 36 32 N/A

Number of blocks per 50 lb. bag of mortar

5. Install The First Row

A. Place two glass blocks in the sill channel, sliding one

block into the right jamb and one block into

the left jamb. Make sure the blocks are seated in

the channels.

Note: No mortar is applied to the edges

of the blocks that meet the channel.

DO NOT apply mortar to the

channels.

B. Install the next block:

•Apply 3/8" to 1/2" of mortar to the edge of the

next block.

•Place the block in the channel with the mortar

facing a previously installed block.

•As you install the block, insert a “REGULAR” spacer

with the cross arm down where the two blocks

meet.

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mortar joint. Make sure the joint is completely

ÀOOHGZLWKPRUWDU

&,QVWDOOWKHUHPDLQLQJEORFNVLQWKHÀUVWURZLQWKH

same manner.

•Apply 3/8" to 1/2" of mortar to both edges of the

last block installed in the row.

•Be sure to insert “REGULAR” spacers with the cross

arm down, where two blocks meet.

3XVKWKHEORFNVÀUPO\

in place, forming

1/4" mortar joints.

Make sure

the joints are

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with mortar.

D. Remove excess mortar with a polyfoam brush,

DQGÀOODQ\YRLGVRQERWKVLGHVRIWKHSDQHO

%3ODFHD´)/$7µVSDFHURQWRSRIWKHÀUVWDQGODVW

block of the previous row where they meet the side

channels.

6. Install The Remaining Rows

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row.

Note: Be careful to keep

the smooth legs of the

spacers free of mortar

to ensure that the

next row of block

ZLOOVLWÁDWRQWKH

spacers.

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into the side channels on top of the

“FLAT” spacers.

D. Install the remaining blocks in the row in the same

PDQQHUDVWKHÀUVWURZ

•Apply 3/8" to 1/2" of mortar to the edge of each

block that meets a previous block. Apply mortar

to both edges of the last block installed in the row.

•Be sure to insert “REGULAR” spacers with the cross

arm down, where two blocks meet.

3XVKWKHEORFNVÀUPO\LQSODFHIRUPLQJ

mortar joints. Make sure the joints are completely

ÀOOHGZLWKPRUWDU

•Remove excess mortar with a polyfoam brush,

 DQGÀOODQ\YRLGVRQERWKVLGHVRIWKHSDQHO

•Check periodically to ensure that the blocks are

straight, level and plumb. Adjust as needed.

E. Repeat Steps 6A - 6D to install each row of block,

except for the next to last row.

F. Install the next to last

row of block using

“H” spacers in place

of “REGULAR”

spacers. Insert

“H” spacers and

“FLAT” spacers

as shown.

G. Lay a bed of mortar on top of the next to last row,

installing “FLAT” spacers at each corner.

Note: For ease of block placement, you may want to

snap off the tab of the “FLAT” spacer before placing

both corner blocks.

H. Install the last row of block starting with a block

in each top corner, then work toward the middle.

Be sure to apply mortar to both sides of the last block.

I. Press any mortar that has been forced out back

into the joints using a polyfoam brush.

J. Remove all mortar from the glass block faces.

7. Finishing

Note: Allow the mortar to set up for about one hour

before proceeding.

Note: To prevent scratching of the glass DO NOT use

abrasive materials for this cleanup.

A. Twist off the spacer tabs on both sides of the panel.

B. With moderate pressure, run the striking tool over

all the joints. It is best to strike all the horizontal

 MRLQWVÀUVWWKHQWKHYHUWLFDOMRLQWVVRWKHSDWWHUQLV

uniform. Fill any voids with mortar.

Note: Striking removes excess mortar and compacts

the joint to create a smooth, concave, moisture-proof seal.

C. Use a damp sponge to remove the excess mortar

from the block face, rinsing the sponge frequently.

 'RQRWEHFRQFHUQHGDERXWWKHGU\ÀOPWKDW

remains on the blocks, it will be cleaned off later.

Note: Allow the mortar to dry for about two to three hours

before proceeding.

'8VHDVRIWGU\FORWKWRUHPRYHWKHH[FHVVÀOP$

common household plastic scouring pad can also

be used.

E. Cut the expansion strip to a 1-1/2" width and

insert it between the top of the blocks and the

frame.

F. Apply sealant to the back of the half-section of

channel and install it between the expansion strip

and frame.

G. Apply glass block sealant around the perimeter

to seal the glass block and channel. Also seal

the top channel to the frame at the head.

Note: For exterior panels or wet areas, also seal

where the channels meet the framing.

1.Prepare The Rough Opening

Note: For those glass block applications that begin at

ÁRRUOHYHOZHUHFRPPHQGWKDW\RXPDNHDFXUEEDVH

as wide as the glass block being used. This will help

protect the bottom row of glass block from damage

(vacuum cleaners, mops, etc.).

Mortar II System

The tools required for the Mortar II glass block

installation system are a margin trowel, mortar pan,

2 polyfoam brushes, sponge, tin snips, screwdriver

RUSRZHUGULOOFDXONLQJJXQXWLOLW\NQLIHPHWDOÀOH

tape measure, 3/8" to 1/2" striking tool, 2' level and

rubber mallet.

A. Make sure the opening is the correct size. To

determine the correct size of the rough opening,

add 1/2" to the sum of the nominal block sizes for

both the height and width.

Example: Panel (using 8" x 8" block) is fourteen block

wide (8 x 14 + 1/2" = 112-1/2") and ten block high (8 x

10 + 1/2" = 80-1/2"). Rough opening needs to be

112-1/2" wide and 80-1/2" high.

B. Use a level to make

sure the opening is

level and plumb.

C. Measure

the opening

diagonally from

corner to corner in

both directions,

and compare

the dimensions

to check for

squareness.

These dimensions

should be equal

within 1/8".

D. If there are any problems with the opening, make

adjustments before proceeding.

If using Weldbond

, apply mortar to the surface

before it cures. Otherwise, let the treated area set up

DQGFXUHEHIRUHLQVWDOOLQJWKHÀUVWURZRIEORFN

E. Use a polyfoam brush to treat the sill with latex

paint, Weldbond

adhesive or asphalt emulsion

 DVVSHFLÀHGEHORZ

•For wood interior, non-shower applications use

latex paint.

•For shower applications use Weldbond

adhesive. Rough up the surfce before

applying adhesive.

•For all commercial applications,

metal, brick or concrete, use

asphalt emulsion.

•For the two bottom corners of the panel, orient

the spacer with the cross arm down and clip off

the upper toothed legs. Clip off the upper half of

the twist-off tabs. Cut off the left or right side of

the remaining twist-off tab and the smooth legs on

the same side. Only two of these spacers

are required. Clip off the right set of smooth legs

of one spacer, the left set of the other spacer.

These are called “L”.

Preparation of Universal Mortar Spacers,

Panel Anchors, and Expansion Strips

A. Assemble the spacers for the series of block you are

installing. The spacers come in two

halves, snap the spacers together to

 ÀWWKHZLGWKRIWKHEORFN

B. Modify the spacers using tin snips based on

their location:

•Where four block come together spacers are used

as assembled. These are

called “REGULAR”.

“REGULAR” Spacer

0RGLÀHG&DOOHG“L”

Note: Prepare a supply of “T” spacers before you

start, so that your panel construction can continue

without interruption.

Note:,WLVLPSRUWDQWWRÀOHRIIDQ\EXUUV

C. Dry construct your panel (without mortar) to

 HQVXUHWKDW\RXUEORFNÀWVWKHRSHQLQJDQG\RX

have an adequate supply of prepared spacers.

This is a reference guide for where “REGULAR” and

PRGLÀHGVSDFHUVDUHXVHG

•Where glass block meet the jambs and curb,

(except for the four corners) orient the spacer

with the cross arm down and

clip off the upper set of toothed

legs, and the upper half of the

twist-off tab.

These are

called “T”.

“REGULAR” Spacer

0RGLÀHG&DOOHG“T”

= “REGULAR” Spacer

= “L” Spacer

= “T” Spacer

3. Mortar Preparation

This chart will give you an idea of the number of blocks

that can be installed per 50 pound bag of mortar.

A. Mix mortar according to the instructions on the premix

mortar bag. When mixed to the proper consistency,

mortar should stick to the edge of the glass block

when turned on edge. Be sure to read and understand

all precautions outlined by the mortar manufacturer.

Freshly mixed mortar may cause skin irritation.

Note: Slowly add water to mortar mix. DO NOT mix more

mortar than you can install in one hour.

Note: Avoid direct contact when possible and wash

exposed skin areas promptly with water. If any gets

into eyes, rinse immediately with water and seek

prompt medical attention.

White Premixed Glass Block Mortar

Block Sizes

(Nominal)

4" x 8" 6" x 6" 6" x 8" 8" x 8" 12" x 12"

No.of 4-inSeries

(4"thick)

Based on 1/4" mortar joints

34 34 30 26 18

No.of 3-inSeries

(3"thick)

42 42 36 32 N/A

Number of blocks per 50 lb. bag of mortar

D. Bend each panel anchor

90° to produce a short

arm (approximately 4").

E. With scissors or utility knife, trim the

expansion strip for length based on the

distance between anchors. Trim the

expansion strip width to 2-1/8" for 3-in

Series block.

4. Install The First Row

Note: If your project is framed on 3 or 4 sides, complete

Steps A thru K. If your project is framed on 2 sides, skip

to Step L.

A. Using a trowel apply

approximately a 1/2"

mortar bed to

the treated

curb or

ÁRRU

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an “L” spacer at the lower outside corner of the

block so that the spacer cross arm will be at the

bottom, between the glass block and the curb.

C. Place a “T” spacer at the other lower corner of the

block with the spacer cross arm up.

D. Slip a 16" long piece of trimmed expansion

strip between the block and jamb, and push

 WKHEORFNÀUPO\LQWRSODFH

E. Slip a “T” spacer between

the block and jamb so that

the cross arm is on top of

the block.

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Design It 111960C Guide d'installation

Marque: Design It

Modèle: 111960C

Taper: Guide d'installation

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