Cromar Pro GRP Roofing Kit, a handy kit containing everything required for a 13 sqm roof. Individual components are available to purchase separately.

What is PRO GRP?

GRP stands for Glass Reinforced Polyester and is also known as Glass-Fibre.

This system is cold applied on site, giving it a seamless and flexible weatherproof finish that resists water, heat and frost.

The resulting surface gives a strong architectural finish that looks very impressive. If maintained properly it will last as long as the building stands.

Cromar have developed this technology further to produce the perfect all weather protection for any flat roof. PRO GRP can be applied in small domestic situations right through to large industrial environments.

Benefits of a GRP System

• Cold applied - no heat required
• Easy to form - around complex situations
• Very durable - resists heavy foot traffic
• Non-slip walkways - can be incorporated
• Class leading roofing solution - that far exceeds traditional methods
• Virtually maintenance free - for very long periods of time
• Impact resistant - due to its ultra hard finish
• Fire retardant
• Highly economical solution

Quick Links - Click To Jump To Section:

• Full Kit Contents
• Application
• Coverage
• Temperature / Catalyst Required

Full Kit Contents

Roofing kit contents:

• 1 x 20kg Pro GRP Resin
• 1 x 10kg Pro GRP Top Coat
• 1 x 450 Fibre Glass Matting 6.75kg (approx.)

GRP Accessory Kit contents:

• 1 x 3” Complete Resin Applicator
• 1 x 7” Complete Resin Applicator
• 2 x 3” Roller refills
• 2 x 7” Roller refills
• 1 x 3” Bubblebuster Roller
• 1 x 9” Bubblebuster Roller
• 2 x 2” Laminating Brush
• 2 x 3” Laminating Brush
• 1 x 1 Litre Catalyst (Hardener)
• 1 x Catalyst (Hardener) Dispenser Bottle
• 2 x 5 Litre Mixing Bucket
• 1 x 310ml Trim Adhesive
• 1 x 10 Litre Graduated Bucket
• 1 x Small Paddle Mixer
• 1 x Large Paddle Mixer

Also required:

• GRP roofing trims required (sold separately)

Application

For full application instructions download the PRO GRP Installation Guide.

Coverage

The values above are recommended coverage rates for estimating purposes we would recommend coverage rates or 1.5kg/m² for resin, and 0.5 kg/m² for top coat.

Temperature / Catalyst Required

Note: These temperature breaks are approximate. Always test catalyst additions with your first mix and adjust up or down as required.

Summer / Winter

Cromar DO NOT recommend laminating in temperatures below 5℃ and above 35℃ ambient temperature, please consult our technical department on 0113 2455450 (option 2) or send a message to [email protected].