Heavy weight Type D Universal Valley with the addition of floride based patented surface protection. Provides complete protection against UV light, resistant to virtually all chemicals,solvents and pollutants,temperature range -40º to +100º. The durability of Diamond 60 has been recognised as matching code 7 lead by Housing Association Property Mutual (HAPM). Designed for very harsh environments or prestige building.

Application

Suitable for use on roofs with pitches from 17.5° to 55°.
Can accommodate a maximum difference between two rafter pitches of 15°.
Designed for use with natural slate, manufactured slate and plain tiles.

Properties

Length: 3m.
Width: 410mm.
Weight: 2.4kg per m2.
Thickness: 1.6mm.
Colour: grey / blue.
Material: GRP - high quality unfilled polyester resin with glass fibre reinforcement.

Features

• BBA Approved Cert No. 89/2153.
• UV light and acid rain resistant.
• At least durable as lead.
• Less prone to theft.
• Design for harsh environments or prestige buildings.
• Smooth surface inhibits the growth of moss & lichen and build-up of debris.
• Fire resistance to SAB to BS476 part 3 and Class 3 BS476 part 7.