Loft Boarding Over Insulation in Walsall
If your loft already has good insulation, boarding straight over it flattens it. We raise the deck instead, so the insulation keeps working.
If you've already got decent insulation in your loft — maybe from a previous top-up, or an ECO4-funded job — the last thing you want is boarding that undoes it. This service is specifically for that situation: fitting a storage floor that sits above your existing insulation rather than squashing it, so the work you or a previous owner already had done keeps paying off.
The problem with boarding straight over insulation
Standard joists are around 100mm deep. Insulation needs to be around 270mm to perform properly. If boards go flat across the joists, they compress whatever insulation is in the way down to whatever gap the joists allow — often a third of its proper thickness or less. Squashed insulation loses most of its effectiveness, so you end up with a cold band right where the boarding sits, exactly the area you probably use most.
How raising the deck fixes it
We fix a system of raised supports to your joists — sturdy legs that lift a new deck clear above the existing insulation, leaving it completely undisturbed at whatever depth it's currently at. If your current insulation depth is already close to the recommended level, this alone solves the problem. If it's thinner than ideal, we'll flag that during the survey too, since it's a natural moment to top it up before boarding goes over it.
How this relates to our other boarding services
This service assumes your insulation is already reasonably close to where it should be and focuses purely on protecting it. If you'd like insulation and boarding sorted together in one visit — useful where the insulation genuinely needs upgrading rather than just protecting — our insulated loft boarding service combines both. For the full technical detail on the raised-support system itself, see our raised loft boarding page.
What to expect
A free survey to check your current insulation depth and confirm this is the right approach, a fixed price before anything starts, and a tidy, usually single-day installation by our own team.
If you've got insulation already and don't want to undo it by boarding wrong, book a free survey and we'll show you how to keep it intact.
How It Works
From the first call to the final sign-off — here's what to expect when you work with us.
Free Survey
We measure your current insulation depth and confirm raised boarding is the right fit.
Fixed Price
A clear quote agreed before any work starts, based on the area to be boarded.
Raised Deck Fitted
Supports lift the new floor clear above your existing insulation.
Tidy Finish
All mess is cleared away, leaving your insulation fully intact and a solid floor above.
What Our Customers Say
Trusted by homeowners across Walsall — here's what they have to say.
"We'd had the loft insulated properly the year before and didn't want to squash it with boarding. This was exactly the fix."
"Quick, clean job — insulation completely untouched, storage floor solid."
"Explained clearly why this was different to just boarding straight down. Made sense of why we'd been quoted differently elsewhere."
Frequently Asked Questions
No — that's the entire purpose of this service. The deck is raised on supports fixed to the joists, sitting clear above your current insulation so it stays at full, undisturbed depth.
Yes, we measure your current depth during the free survey. If it's already close to the recommended level, boarding over it is straightforward. If it's thinner, we'll flag that as worth doing at the same time.
This service assumes your insulation is already reasonably good and focuses on protecting it. Insulated loft boarding combines a genuine insulation upgrade with the boarding in one visit, which suits lofts where the insulation itself needs improving.
Most homes are completed in a single day, since we're only adding the raised deck rather than disturbing the existing insulation underneath.
Yes, it uses the same raised-support technique. This page focuses specifically on protecting insulation you already have, while our raised loft boarding page covers the system in full technical detail.
Got Good Insulation You Don't Want to Squash?
Book a free survey. We'll fit a raised deck that leaves your insulation completely intact.