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White PVC Cladding Installation Guide

Where cellular PVC cladding may be used

In general cellular PVC cladding may be used on any building that is less than 18m tall and where the relevant boundary, i.e. a potential source of external ignition such as another building, is 1m or more away from the wall to which it is fixed.

An exception to this is in the case of a public assembly or recreational building where cellular PVC cladding may only be applied from 10m and upwards above ground level or above the floor level of any external area to which the public have access.

Full details may be found in Volume 2, Section 12 of the National Building Regulations.

Access Systems

SAFETY FIRST! Never attempt to access the work area with an unsupported ladder or without a stable deck. Always use a full scaffold platform or a purpose made cantilevered deck system with guard rails in place.

Health and Safety

Full health and Safety information is available on request.

Asbestos

By law all asbestos materials must be removed by trained operatives under strictly controlled conditions. If you suspect that asbestos is present you should consult your Local Authority.

Storage & Handling

Load and unload by hand and support both ends of a 5m length when handling. Stack no higher than 1m, in packing sleeve on a flat base.Avoid contact with solvents, paint, creosote, bitumen etc.

Cutting/Shaping

Use conventional carpentry tools including fine toothed saws. Power tools may be run at speeds appropriate for timber. Nail and screw holes do not require pre-drilling.

Off-Cuts

Contractors for new build and refurbishment works should be aware that larger off-cuts from some boards may have been scheduled for use in other areas of the installation and should be handled carefully until their use is established.

Fixings

Edge Building Products A4 grade stainless steel cladding pins (CP30SS) or screws. Maximum fixing centres of 600mm up to 2 storeys, 400mm above 2 storeys. The plank ends must always be fixed regardless of nearest fixing centre.

Expansion Gaps

Always leave a minimum 4mm expansion gap at the end of each board, ie where two boards meet leave 8mm overall.

Sealants

Use Edge ESLM low modulus silicone. Use a primer when bonding to GRP, stainless steel, aluminium or untreated wood. Do not use with polycarbonate sheet.

Sequence of Work

A. Perimeter frame battens (recommended 25 x 38mm)

B. Battens around openings

C. Intermediate vertical battens

D. Starter trims (or bottom angle ventilation strip, as appropriate, see inset illustrations)

E. Vertical perimeter trims, corner trims (where two-part trims are used, fix only the inner part)

F. Top perimeter trims (These engage inside the vertical trims)

G. Packings to battens as required for any cut planks

H. Plank profiles and joint covers or centre joint trims as appropriate.

I. Outer components of two-part trims.

Cladding Install Diagram