Grp valley troughs shop from our range of grp valley troughs.
Roof valley trough.
Made from glass reinforced plastic they are a strong long lasting and lightweight alternative to traditional lead and zinc valleys.
Our assortment includes grp valley troughs and fibreglass valley troughs as well as troughs from some of the leading manufacturers in the market.
Roof valleys are the channels that run down the joints of the roof.
We ve arranged our superb selection into grp valley troughs for tiled roofs and roof valley solutions for slate roofs.
Dry fix valley troughs are mortar free providing hidden water gulleys at the roof valleys.
Roof valleys are troughs that discard runoff water where two sections of sloped roof meet.
This video demonstrates the proper installation technique for installing roofing valleys.
For overlaid boards on rafter spacings above 450mm it is recommended that support noggins of 75 x 50mm are fixed under the outer edge of the valley board between the rafters fig.
Grp valley troughs can accommodate this range subject to roof area valley length and pitch differential considerations.
Grp valleys troughs grp valley troughs provide you with a durable and cost effective alternative to lead products.
The danelaw design of dry fix valley trough can accommodate a greater pitch differential and can be used for larger roof areas and longer valley lengths.
Grp valleys are manufactured from glass reinforced plastic.
They are typically metal and seal the joints between the two faces of roofing material generally tiles or slates directing water to run off into the guttering.
Whether you re refurbishing an existing roof or creating a new build option we have roof valley troughs available now ready for fast delivery.
The open woven and closed cut methods are demonstrated.
In other cases water can become trapped under shingles which have been overlaid to create the valley trough.
Valley troughs are a useful part of almost every roof.
Looking for something specific.
Open valley troughs have been designed as an alternative to traditional lead troughs a safe and efficient way to collect rainwater run off.
The width of the valley boards should extend by a minimum of 50mm beyond the edge of the valley trough.
Benefits of grp valley troughs.
The valleys on many older houses comprise layers of roofing paper which can deteriorate over time.