Knowledge Hub
Practical guidance for roofing, landscaping, outdoor-living products and trade projects. Expert advice to help you choose the right materials, install with confidence and get the job done.
How to Use RoofBuildr: A Step-by-Step Guide to Planning an EPDM Roof
Learn how to measure a flat roof, select fittings and trim colours, choose an EPDM system and build a transparent materials list with Stonegate Supplies RoofBuildr.
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Can You Walk on an EPDM Roof Without Damaging It?
When occasional access is acceptable, when EPDM needs a protective walkway, and how footwear, tools, equipment and structural safety affect the roof.
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How Do You Join New EPDM to an Existing EPDM Roof?
How to assess, clean, prime and tape a new-to-existing EPDM connection—and when wet, contaminated or unsecured roofing should be stripped instead.
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Why Is Water Getting Behind My EPDM Roof Edge Trim?
Diagnose leaking EPDM gutter and kerb trims, from trapped membrane and open corners to poor falls, failed compression and upstream water entry.
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Can You Install EPDM on a Flat Roof With No Fall?
UK guidance on minimum completed falls, ponding risks, outlets and practical ways to create or restore drainage before installing EPDM.
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How Long Does an EPDM Roof Last—and What Shortens Its Lifespan?
What manufacturer research says about EPDM lifespan, why roof-system life differs from membrane life, and the installation and maintenance faults that shorten it.
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Can You Lay New EPDM Over an Existing Flat Roof?
When an EPDM overlay is suitable, when the old roof must be stripped, and how felt, asphalt, GRP, old EPDM, moisture, insulation and detailing affect the decision.
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Why Is My EPDM Roof Shrinking or Pulling Away From the Edges?
Diagnose EPDM pull-back at roof edges and upstands, understand perimeter securement, and learn when re-bonding, new flashing or a larger repair is required.
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How to Seal EPDM Around Pipes and Roof Penetrations
A practical guide to EPDM pipe boots, uncured flashing, primer, rolling, clamps and penetration repairs—with the mistakes that commonly cause leaks.
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How to Install EPDM Around a Rooflight or Upstand
Plan and form a reliable EPDM rooflight detail using the correct upstand, contact adhesive, primer, uncured corner flashing and termination.
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What Roof Deck Should You Use Under EPDM? OSB3 vs Plywood
Compare OSB3 and plywood for an EPDM flat-roof deck, including board grade, thickness, fixing, moisture, surface preparation and adhesive selection.
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Standing Water on an EPDM Roof: When Is Ponding a Problem?
Learn when standing water on an EPDM roof is harmless residue, when it signals a drainage defect and how outlets, falls and maintenance affect the solution.
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Can You Install EPDM in Cold or Damp Weather?
Learn how cold, humidity, dew and damp decking affect EPDM installation—and how to plan adhesives, primer and detailing around a safe weather window.
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Online vs Local Trade Merchants: How to Source Materials for a Smoother Project
Compare online suppliers and local trade merchants by availability, specification, delivery, records and total project cost — then use each where it adds the most value.
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How Do You Repair a Leaking or Lifting EPDM Seam?
Learn why EPDM seams lift, how to assess a leak and when to use primer, seam tape, cover tape, flashing or a complete repair kit.
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Bubbles and Wrinkles in an EPDM Roof: Causes and Solutions
Learn what causes bubbles, blisters and wrinkles in EPDM roofing, which defects may settle and when an installation needs closer inspection or repair.
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How to Choose the Right Artificial Grass
Choose artificial grass by pile height, density, carpet weight, backing and intended use — then select the right roll width to reduce waste and unnecessary joins.
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Planning Composite Cladding: Boards, Battens and Trims
Measure the net wall area, design a ventilated subframe and resolve every opening and corner before calculating boards. A practical pre-order cladding checklist.
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How to Plan a Composite Fencing Project
Work from finished bays, post positions and ground conditions—not just the fence length. Plan boards, posts, mounts, caps and changes of level before ordering.
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Composite Decking vs Timber: Which Is Better for the Job?
Composite reduces routine finishing, while timber offers a familiar structure and lower entry cost. Compare labour, subframes, maintenance and repair before quoting.
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How Much EPDM Membrane Do I Need?
Measure the finished roof deck, allow for edges and upstands, then choose a sheet layout the team can handle. This guide prevents short sheets and unnecessary waste.
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EPDM Adhesives Explained: Which Adhesive Do You Need?
Match EPDM adhesive to the membrane, substrate and roof detail. Learn when to use water-based, contact, spray and PU adhesive — and what not to interchange.
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1.2mm vs 1.5mm EPDM: What's the Difference?
The 1.5 mm membrane is 25% thicker, but most normal flat roofs do not automatically need it. Compare handling, cost and the project risks that justify stepping up.
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How Much Artificial Grass Do I Need?
Plan roll direction, widths, joins and usable offcuts before ordering. A practical method for measuring artificial grass without relying on garden area alone.
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