Std Valley Trough Slate - Type B 3M (HB30)

Std Valley Trough Slate - Type B is an expertly designed roofing product suitable for use with plain tiles, natural slates, and manufactured slates. Its robust construction and compliance with the NFRC Technical Bulletin 28 make it an ideal choice for roofing professionals and DIY enthusiasts alike. This trough provides effective drainage, ensuring long-lasting performance and reliability in various weather conditions.

Made from Glass Reinforced Polyester (GRP) with glass fibre reinforcement, this valley trough boasts impressive durability, fire resistance, and UV & acid rain resistance. With its smooth surface that inhibits moss and lichen growth, maintenance is minimal. The trough visually resembles traditional lead, delivering both functional benefits and an aesthetically pleasing look for any roofing project.

Specifications

Length: 3m
Width: 330mm
Thickness: 1.3mm
Weight: 1.83kg per m²
Material: GRP (Glass Reinforced Polyester)
Colour: Grey/blue
Minimum Pitch: 17.5°
Maximum Pitch: 55°
Maximum Difference Between Two Rafter Pitches: 15°
Fire Resistance: SAB to BS476 part 3 and Class 3 to BS476 part 7
BBA Certification: Cert No. 89/2153
Suitable For: Natural slate, manufactured slate, and plain tiles
Installation: Fixes over the batten
Surface: Smooth (inhibits moss & lichen growth and debris build-up)
UV & Acid Rain Resistance: Yes
Appearance: Resembles traditional lead

Key Features

• BBA Approved
• Durable GRP construction
• Fire resistant to BS standards
• Suitable for a variety of tile materials
• Resistant to UV and acid rain