AWS EDITION 1, 2009

318

© 2009, AWI, AWMAC, WI - Architectural Woodwork Standards - 1st Edition, October 1, 2009

As may be updated by errata at http://www.awinet.org, http://www.awmac.com, or http://www.woodworkinstitute.com/awserrata/

EXECUTION

DESCRIPTION E C P



6.2

P R O D U C T S P E C I F I C 

PRODUCT SPECIFIC (continued)



6.2.3

S O L I D S U R F A C E

At SOLID SURFACE: (continued)

6.2.3.7 BACK and END SPLASHES shall be securely adhered to the wall, butt-joined to the countertop,

and:

6.2.3.7.1

Shall be CAULKED with clear or compatible-color waterproof caulking (furnished by

the installer) so as to leave a visual bead not exceeding 1/8” (3.2 mm) between the

bottom of the splash and the countertop.

6.2.3.7.2

Variation in building walls in excess of 1/2” (12.7 mm) in 144” (3658 mm) may

result in gaps between splash and walls and shall not be considered a defect or the

responsibility of the installer.

6.2.3.7.3 If specified, COVED SPLASHES shall be hard-seamed and integral to the countertop.

6.2.3.8 TOP ADHESION shall be made using a clear silicone sealant placed a maximum of 12” (12.7 mm)

on center.

6.2.3.9 HARD SEAMS shall be water-tight and gap-free.

6.2.4

S O L I D P H E N O N I C

At SOLID PHENOLIC:

6.2.4.1 INSTALLATION SHALL BE PERFORMED by personnel properly trained and approved/certified by

the applicable manufacturer.

6.2.4.2 Top shall be applied to each corner and along the perimeter edge at not more than 48” (1219 mm) on center.SECURED to supports with silicone cement or appropriately sized machine screws

6.2.4.3 JOINTS shall be precision-machined with tight joint fasteners and sealed with a bioside silicon prior

to tightening.

6.2.4.4 SINKS shall be stainless steel, polypropylene, or epoxy resin; either lipped or under-mount, and:

6.2.4.4.1 LIPPED shall be set in a rabbeted cutout in the top.

6.2.4.4.2

UNDER-MOUNT shall be installed using adjustable metal sink supports for underside

installation or fastened directly to the underside of the top using machine screws and

silicone adhesive.

6.2.4.4.3 LIPPED shall be set in a rabbeted cutout in the top.

6.2.4.5

UNDER-MOUNT shall be installed using adjustable metal sink supports for underside installation or

fastened directly to the underside of the top using machine screws and silicone adhesive.

6.2.4.6 A bioside silicone adhesive shall be used at the juncture of the sink and countertop to produce a

leak-proof joint.

6.2.5

E P O X Y R E S I N & S T O N E 

At EPOXY RESIN, NATURAL/MANUFACTURED STONE:

6.2.5.1 A 1” (25.4 mm) nominal overhang on the front and ends shall be provided.

6.2.5.2 Top shall be SECURED to supports with epoxy cement applied to each corner and along the

perimeter edge at not more than 48” (1219 mm) on center, and:

6.2.5.2.1 Support must be adequate to prevent de(22.7 kg) per square foot load or 250 lb (113 kg) at any given point.flection in excess of 1/4” (6.4 mm) with a 50 lb

6.2.5.2.2 Unsupported spans shall not exceed 48” (1219 mm), unless otherwise specified.

6.2.5.2.3 The maximum unsupported and unloaded overhang shall not exceed 12” (305 mm) for

3/4” (19 mm) and 6” (152 mm) for 1/2” (12.7 mm) sheet thickness.

6.2.5.2.4 JOINTS shall be butted and filled with a color-matched epoxy cement.

6.2.5.3 BACK and END SPLASHES shall be securely adhered to the wall, butt-joined to the countertop,

and:

6.2.5.3.1

Shall be CAULKED with clear or compatible-color waterproof caulking (furnished by

the installer) so as to leave a visual bead not exceeding 1/8” (3.2 mm) between the

bottom of the splash and the countertop.

6.2.5.3.2

Variation in building walls in excess of 1/2” (12.7 mm) in 144” (3658 mm) may result

in gaps between the splash and the walls and shall not be considered a defect or the

responsibility of the installer.

Section 11 - Countertops (Page 23 of 25)

11