Balcony Buildup on Cement Board - Liquid Applied Warm Roof System

Fire performance: Broof(t4) classification to EN 13501-5:2016.

Guidance for specification option:

Refer to the Warrington Fire classification report for details.

Weplus SA Bonding Agent.

Guidance for specification option:

• One-component, solvent-based SBS adhesive primer.
• Used to aid adhesion of Weplus SA VB PL to concrete and various porous substrates.

Weplus SA Bonding Agent.

Weplus SA VB PL.

Guidance for specification option:

• A multi-layer self-adhesive vapour barrier and carrier membrane made of polymer-modified bitumen with a glass-fibre mat reinforcement and an aluminium foil as top layer.
• Can be applied over most common substrates such as concrete, plywood/OSB and metal decks.

PIR insulation.

Guidance for specification option:

Thickness to suit required U-value; consult manufacturer for details.

Weplus insulation adhesive.

Guidance for specification option:

A single component polyurethane roofing adhesive, developed specifically for the bonding of rigid insulation boards to a variety of roof decks and vapour control layers.

Weplus cement roof board primed with Wecryl 176.

Guidance for specification option:

• Weplus cement roof board: 12 mm thick board. Euro Class A1 - BS EN 13501-1 Class A1 non-combustible.
• Wecryl 176: Two-component, fast-reactive/ fast-curing PMMA-based (polymethyl methacrylate) resin primer. Available in white or clear (unpigmented).

Weplus insulation adhesive.

Wecryl R 230 and Wecryl R 230 thix waterproofing resins.

Guidance for specification option:

• Two-component, fast-curing and highly flexible.
• Wecryl R 230 thix is a variant of Wecryl 230 with improved non-sag/ thixotropic properties to reduce run-off when the waterproofing resin is applied to sloping and vertical surfaces. It is used primarily for the waterproofing of details.
• Available in RAL 7032 pebble grey and RAL 7043 traffic grey (Wecryl R 230 thix/Wecryl R 230 thix HT).

Westwood reinforcement fleece.

Wecryl 333 self-levelling mortar, quartz sand 0.71–1.25 mm, Wecryl 489 wearing layer.

Guidance for specification option:

• Wecryl 333: Three-component, fast-reactive, flexibilised and filled PMMA-based self-levelling mortar. Serves as protection for the waterproofing layer. Available in RAL 7032 pebble grey and black.
• Quartz sand: Installed into the wet Wecryl 333.
• Wecryl 489: Two-component, fast-curing, pigmented PMMA-based (polymethyl methacrylate) sealing resin. Available in RAL 7030 stone grey, RAL 7032 pebble grey, RAL 7035 light grey, RAL 7043 traffic grey. More RAL colours upon request.