The Roofing division of Sika Ltd manufacture roofing membranes that are considered by the industry as the premium product for roof waterproofing worldwide. With BBA durability ratings in excess of 35 years. Sika membrane is robust, stylish, versatile, developed to withstand climatic extremes, resistant to chemicals, ultraviolet light and micro-organisms and comes with comprehensive guarantees. Along with producing Sarnafil, Trocal PVC flat roofing membranes, Sika provide specialist contractor training and membranes can only be installed by licensed contractors. Sika contractor status is only awarded to companies at the pinnacle of the roofing industry and these companies must serve a least a year as provisional contractors and are accessed before being award approved contractor status.  Sika manufacture membranes for the new build and refurbishment markets.  Since 1972  the company has maintained high standards of training and quality installation, building a loyal specialist licensed contractor, specifier and client base.  Today Sika-Trocal, Sarnafil provides high levels of specification generation, site support, guarantees and quality in flat roofing.

With Sika's acquisition of fellow Swiss based single-ply membrane manufacturer Sarnafil, the expertise and experience of the two most respected manufacturers in single-ply membranes worldwide are now under one company. With Sarnafil's high level of personal customer service  and Sika Trocal's tradition of innovation and technology, and both jointly bringing years of experience producing industry leading membranes, Sika is now the largest and most respected single-ply membrane manufacturer in the world.

Sika Trocal, Sarnafil single ply flat roofing membrane systems have been specified for many high profile projects including Arsenal FC's Emirates Stadium, Billingham Forum Centre, Bluewater Shopping Centre, Blackpool Sea Life Centre, National Gallery in Edinburgh, Premier Travel Inn at Pacific Quay Glasgow, Heathrow, Gatwick, Stansted and Bristol airports, Trafford General Hospital, St Pancras Railway Station and many other projects worldwide.

Although installed in many high profile commercial projects, Sika Sarnafil, Trocal has recently been taking a large market share of domestic projects. With the track record of keeping some of the worlds most recognisable buildings watertight, architects and specifiers are now looking at Sika as their prefered roofing solution on homes, extensions, balconies, porches, conservatories and garages.

The capability of a roofing system is only as good as the relationship between the manufacturer and roofing contractor. Sika Sarna, Trocal have some of the best relationships with contractors in the flat roofing sector. Every Sika approved contractor goes through a rigorous training and evaluation program to ensure that they meet Sika's high standards . In addition to this every contractor is rated and evaluated annually on a variety of criteria.

Modern Roofing (Scotland) Ltd have met all the criteria and are a fully licensed and approved Sika Contractor.