6mm Granite Chippings - Flat Roof Chippings
Manufacturer/Brand: Clubb Sand & Gravel
SKU:GRANITECHIPS25KG
2569 in stock
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6mm Granite Roof Chippings are small-sized stones that are specifically designed for use in Traditional Bituminous Roofing applications. The chippings are from natural granite material and are approximately 0-6mm in size and supplied in 25kg polythene bags or loose in large Bulk Bags.
6mm Granite stone chippings, generally used as flat roof gravel on roofs constructed of traditional roofing felt.
This aggregate is typically Dark Grey/Green in colour but this will vary due to it being a natural product. If you require a lighter colour finish then consider the limestone chippings which are a off-white/grey colour.
Application of granite flat roof gravel stones
It is advisable to bond all the perimeter areas with either hot bitumen or a cold gritting adhesive, available to purchase separately.
It is recommended to use a Cold Gritting Adhesive around the perimeter area at least. This will help to secure the chippings to the roof area and reduce the chance of the chippings being blown or washed over the perimeter edge of the roof.
Other uses for granite stones
Granite stones are often used in external works, garden projects. When mixed with shingle & sand they can be used in drainage, as a sub-base material for paving or for decorative purposes around the lawn and garden.
Important information
Please be aware that this product is natural, thus variations in colour, shape, and size may occur. The images provided serve as representations only. The chippings typically range in size up to 6mm, with variations in size. Additionally, they may contain moisture and may include traces of sand or other aggregates from the bagging process.
Additional Information for 6mm Granite Chippings - Flat Roof Chippings
Technical Information
Delivery Information
Our Aggregate Range is delivered directly to your chosen location by our network partners. Delivery is typically 2 - 5 working days.
Deliveries are carried out using a variety of vehicles, including small to medium-sized vans, large rigid HGVs, and articulated vehicles. It is essential to inform us in advance of any restrictions at your delivery location that could hinder or prevent the delivery. Failure to notify us of such restrictions, leading to the cancellation or rescheduling of the delivery can result in additional charges being applied.
Please note that all deliveries are made to the roadside or kerbside only and are unloaded using pallet trucks and vehicles equipped with tail lifts.
We strongly recommend refraining from booking, scheduling, or commencing any works until you've received your complete materials order. Your satisfaction and seamless project execution are our top priorities.
FAQ's
Why put gravel on flat roofs?
There are four main reasons for putting gravel on a flat roof:
- The weight anchors the felt membrane, acting as ballast and preventing it from lifting in high winds
- The stone chippings afford some protection to the waterproof membrane, should people or animals walk on it
- They offer protection from the weather. Mostly from damage from the sun in the Ultra Violet (UV) rays, but also from severe rain and hail.
- Gravel traps any debris that might end up on the roof - such as leaves & twigs - and be washed into the gutter & drains, thus preventing a blockage.
- To slow or reduce the spread of flame in case of a fire.
What are the best gravel stones for a flat roof?
The best gravel stones for flat roofs are approximately 6mmin diameter, with rounded edges, so they do not pierce the membrane when walked on. Generally this includes granite, limestone & pea shingle.
What are the maintenance recommendations for flat roof gravel?
Felt and bitumen based flat roofs should be checked at yearly intervals for any defects , such as cracking. Additionally, you should check for any bare patches where chippings have washed away, and replace them.
It is also advisable to check gutters, as loose gravel that's been washed away, can often end up causing blockages.