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How to install field fabricated seats and benches

1. Measure and cut the bench pieces off a wedi 1 1/2 in. or 2 in. thick

wedi Building Panel and dry fit. When installing a corner seat, the

panel edges are mitered for a tight fit. To achieve a slope, the parts’

upper ends are cut down with a slight angle towards the front of the

bench. Optionally, create a pitch using wedi Joint Sealant as a “wet

shim”.

2. The wedi parts are adhered to the wall using thin-set mortar or wedi

Joint Sealant. Adjoining parts are glued together using wedi Joint

Sealant continuously applied along all-foam edges of a panel.

3. Excess is spread flat over the seams using a putty knife. Where the

backs of the parts meet the wedi wall, modified thin-set mortar is

used in a full-contact surface bed. Once the bench is built, a final

bead of wedi Joint Sealant is applied to seal all seams to the wedi wall

safely. The vertical front part of the bench will show a small gap to

the pitched floor. Fill with thin-set mortar and alkali-resistant fiberglass

mesh tape by wedi, applied over this seam. Alternatively, benches and seats are offered as prefabricated units made by wedi.

For longer or larger benches built from our 2 in. building panel, always install one spacer/support made of wedi 2 in. Building

Panel every 18 in. in either direction. Over the blue exposed foam edges, adhere a wedi Building Panel strip to the foam using

wedi Joint Sealant. This will create a cement-based surface to adhere tile to it. Optionally, the blue foam may be covered with

wedi Joint Sealant. The covering of the blue foam areas is not necessary where tile is used that will overlap and cover the

blue area with no more than 50 % of its size. Such larger tile is thin-set adhered to the seat, including the foam surface. The

maximum weight allowance on seats or benches built with vertical supports placed every 18 in. o.c. is 500 lbs.