Head Office
01764 663107
Insurance Approved Contractors


Alliance have the expertise and accreditations to be able to offer to our Customers not only a first class roofing service with regards general roofing problems but also KOSTER TPO Flat Roofing Membranes and Roofline


KOSTER TPO Membranes are flexible, safe and sustainable.  The application of the KOSTER TPO Membrane is done by hot air welding with an open flame, the KOSTER TPO Membrane allows for a safe application – even in problematic areas

KOSTER TPO Membranes offer a permanent resistance against UV rays and high mechanical stresses.  It is also the only menbrane on the market confident enough to offer a full 25year material and insurance backed guarantee.

  • 30 Year Guarantee
  • Delta membrane systems
  • Koster

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01764 663107
[email protected]
Maidenplain Ind Est, Aberuthven, Perthshire, PH3 1EL