Stormguard is a family run company with over 150 years experience in the rain and draught excluder industry. Its principle product, the Stormguard Sill, sometimes known as the Macclesfield step, has been produced since the late 19th century.

Respected by architects and contractors and fitted to properties throughout the UK, the Stormguard Sill is a product that works. Unique designs, superior build quality, and extended range, ensure that Stormguard are at the forefront of the industry.

The company's determination to develop new products, and improve existing designs, in line with their customers' requirements, has established Stormguard's reputation as leaders in the field of rain and draught exclusion development. Their success has allowed Stormguard to expand its product range to incorporate a fully comprehensive range of extruded and fabricated metal rainwater systems for every type of domestic, commercial or industrial building, as offered by Stormguard Rainwater Systems and a complete home flood defence system as offered by Stormguard Floodplan

Stormguard is also the market leader in domestic sliding door gear systems producing a selection of simple, yet effective products, as offered by Slik Sliding Door Gear.

The Original Macclesfield Sill

Regent Foundry 1910 Regency Mill 1995
Production of Macclesfield Sills began at the Regent Foundry in Macclesfield (pictured above left in 1910) in the late 19th century. The Foundry still stands, but production has now been transferred to the Regency Mill (pictured above right), itself a fine period Georgian Mill. Whilst the methods of production have kept pace with modern technology, the Stormguard Sill retains the same proven design principals.

How our sills work


For retail customers, Stormguard supplies several ranges of Retail Packaged Products.
Also part of Allmand-Smith Ltd:
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