450 x 450 x 32mm Double Sealed & Locking Stainless Steel 316 Recessed Manhole Cover Combisystem These mats are indispensable for

These mats are indispensable for construction

Channels requiring armouring with gravel

Quality Assured

Use a non-woven geotextile membrane for soakaways or an impermeable liner for retention systems

preventing fines migration and helping maintain load-bearing performance

450 x 450 x 32mm Double Sealed & Locking Stainless Steel 316 Recessed Manhole Cover Combisystem These mats are indispensable forThe ECRM450 32 Double Sealed & Locking Stainless Steel Recessed Manhole Cover is a superior, visually appealing solution for your manhole cover needs. Made from 316 Stainless Steel, it offers a high quality finish that is ideal for applications requiring access covers over tanks or foul water systems. This manhole cover is designed with a clear opening size of 450 x 450 x 32mm and external dimensions of 562 x 562 x 50mm. It is rated for FACTA A