• Unit B, Bingley Rd, Hoddesdon, Hertfordshire, EN11 0NX
  • 01992 444100

Certified Lead

BS EN 12588


Distributor of Lead

Leading Provider

Of Hard Metals

Hard Metals
Ancillary Products

ALM HM (Hard Metals) stock
materials for every aspect of metal roofing

Hard Metals Ancillary Products…

ALM HM (Hard Metals) stock materials for every aspect of metal roofing from the deck upwards. Starting with Warmfast vapour barrier, one of, if not the best and most popular vapour barrier available on the market for metal roofing. ALM HM can also supply the next level of build up which, for warm roofing will be some form of rigid insulation board, bonded timber insulation board, composite panel or Foamgals cellular insulation. We are the main UK distributor for Linitherm PAL OSB and Linitherm PGV Flex. PAL OSB is a highly engineered yet extremely cost effective insulation with foil faced over and underside. 22mm exterior grade OSB is firmly bonded to the top side and both the insulation and OSB are channeled so that when fitted along with Warmfast vapour barrier, the metal is protected from open joints that are associated with some other insulation boards.

Linitherm PGV Flex is totally unique. It’s a flexible yet rigid insulation allowing installation of metal directly over the insulation surface whilst taking a curve. Linitherm PGV Flex is the ultimate insulation for Barrel Vault roofing when using a warm roof build up. Warmfast Vapour Barrier and Warmfast Fixings should also be used.

Metdeck is also a rigid insulation bonded to timber, but it has an 18mm plywood surface bonded to Kingspan insulation.

Puren M, distributed internationally by Mifaro and by ALM HM in the UK offer an entire system including vapour barriers and breather membranes completely tailored to your building requirements. With Puren, you’re not just buying the insulation, you are buying a tailored system and Mifaro support.

The Kingspan, Celotex and Xtratherm insulations that ALM offer are all rigid boards. There are various versions for each manufacturer and we can obtain all at the best prices on the market. Please contact us with your requirements.

  • Fixing/sliding clips – Yvens Decoupret, REES, Warmfast Fixings,
  • Underlays – Tyvek Supro, VMZINC Membrane, Klober Permosec, Proctor Roofshield
  • Vapour barriers – Warmfast Vapour Barrier
  • Timber Batten Rolls
  • Soldering guns – Express Soldering and Perkeo Soldering
  • Solder sticks, Quarter bar, Tinmanns C, blow pipe solder
  • Flux
  • Chemicals for cleaning, Zinn 7, Decolaq
  • Rainwater Systems – VMZINC, Rheinzink, Copper, Stainless Steel
  • Snow Guards – REES
  • S5! Seam Fixings

Where possible we will always try to obtain new products. If the item is not listed please contact our office and we will be happy to help and locate alternative products at unbeatable prices.

“A Positive Partnership – Through excellent work ethics and unparalleled service ALM have become leaders in our field.


All products can be delivered by ALM direct using our own fleet of vehicles which consist of crane offload facility and small vehicles for site restrictive access, all of which are available upon request. Our transport Service has been assessed and awarded FORS Accreditation by Transport For London

Contact our friendly sales and technical team on 01992 444100 or send us an e-mail. If you would like to contact us via the website out of hours please click here.

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