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    Square and Compass Building Supplies

    • Home
    • Drainage & Lintels
      • Steel Lintels
      • Concrete Lintels
      • Drainage
        • All Drainage
        • Drainage Accessoires
        • Underground Drainage Fittings
    • Building Materials
      • Sealants, Tapes, Adhesives & Caulks
        • CT1
        • Sealants
        • Adhesives
        • Tapes
        • Caulks
      • Roofing
        • All Roofing
        • Roofing Accessoires
      • Bricks & Blocks
      • Brickwork Accessories
      • Plastering & Rendering
        • Plastering & Rendering Accessories
      • Damp Proofing & Ventilation
    • Chemicals & Cleaners
    • Roof Windows & Loft Ladders
    • Sewage Treatment & Containment
    • Metal Fixings
    • Specialist Products
    • Contact
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    Featured products

    • 115G Membrane

      115G Membrane

      115G Membrane

      Regular price £49.99 GBP
      Regular price Sale price £49.99 GBP
      Unit price /  per 
    • 2 In 1 Ventilator

      2 In 1 Ventilator

      2 In 1 Ventilator

      Regular price £5.00 GBP
      Regular price Sale price £5.00 GBP
      Unit price /  per 
    • 25mm Mechanical Coupler

      25mm Mechanical Coupler

      25mm Mechanical Coupler

      Regular price £8.00 GBP
      Regular price Sale price £8.00 GBP
      Unit price /  per 
    • 25mm x 90 Degree Mechanical Elbow

      25mm x 90 Degree Mechanical Elbow

      25mm x 90 Degree Mechanical Elbow

      Regular price £10.00 GBP
      Regular price Sale price £10.00 GBP
      Unit price /  per 
    • 5 Meter Tape Measure

      5 Meter Tape Measure

      5 Meter Tape Measure

      Regular price £4.99 GBP
      Regular price Sale price £4.99 GBP
      Unit price /  per 
    • 63mm x 50m Green Twindall Duct

      63mm x 50m Green Twindall Duct

      63mm x 50m Green Twindall Duct

      Regular price £78.00 GBP
      Regular price Sale price £78.00 GBP
      Unit price /  per 
    • Access Panel

      Access Panel

      Access Panel

      Regular price £12.99 GBP
      Regular price Sale price £12.99 GBP
      Unit price /  per 
    • Aerosol Adhesive 500ml

      Aerosol Adhesive 500ml

      Sale

      Aerosol Adhesive 500ml

      Regular price £6.60 GBP
      Regular price £7.00 GBP Sale price £6.60 GBP
      Unit price /  per 
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