SSurplusBuilder.

Surplus Roofing Materials

Reclaimed slates, surplus concrete and clay tiles, ridge tiles, membranes and underlay. Match an existing roof or save on a new build with stock cleared from UK sites and merchants.

Roof materials are the highest-value surplus category by tile — reclaimed Welsh slate trades at £2,400+ per tonne, Scottish slate is quarry-extinct so reclaimed is the only supply route, and hand-made clay peg tiles have no modern equivalent under £1.80 per tile new. Every conservation-area repair, listed-building extension and Grade II refurbishment in the UK effectively starts on the reclaimed-roofing market.

The other half of the category is surplus and end-of-line new stock: concrete interlocking tiles, EPDM and GRP membrane rolls, roofing felt, underlay and cement fibre slates. These flow through SurplusBuilder from housebuilder site closedowns and merchant clearance every week at 30–60% below retail.

For any roofing purchase you need to know: type and profile, unit weight, coverage per m², nail-hole condition (reclaimed only), and whether the batch is consistent. Every listing below shows all four.

  • reclaimed slate tiles
  • leftover roof tiles job lot
  • surplus EPDM membrane
  • cheap clay ridge tiles
  • reclaimed Welsh slate
  • reclaimed pantiles
  • reclaimed handmade peg tiles
  • surplus GRP fibreglass roofing

Common roofing sub-types

Welsh slate
Blue-grey — Penrhyn, Ffestiniog, Burlington.
Scottish slate
Ballachulish/Easdale — reclaimed only.
Spanish slate
Newer imports — value-grade reclaimed.
Clay peg tiles
Hand-made pre-1900 — Kent/Sussex/Home Counties.
Clay pantiles
S-shaped — East Anglia, Yorkshire, Scotland.
Concrete tiles
Marley, Redland, Sandtoft surplus.
Membranes
EPDM, GRP, felt, breathable underlay.

2026 UK price bands

Live SurplusBuilder listings sampled Q1 2026. Regional variation ±10–20%.

ProductTypical priceNotes
Reclaimed Welsh slate (graded)£1.40–£2.80 eachBy length 12/14/16/18"
Reclaimed Scottish slate£2.20–£4.50 eachBallachulish/Easdale — extinct quarries
Reclaimed clay pantile£850–£1,600 / 1,000Norfolk, Yorkshire, East Anglia
Reclaimed handmade peg tile£1,800–£2,600 / 1,000Kent, Sussex, Home Counties
Concrete interlocking (surplus)£0.60–£1.20 each50–60% off merchant
Surplus EPDM membrane£8–£14 / m²vs £18–£28 new

Buyer's checklist

  • ✓Tap-test reclaimed slates and clay tiles — sound = ring, delaminated = dull thud. Sample 5% of any pallet.
  • ✓Reclaimed nail holes are often blown out — check that heads can be re-holed with enough remaining lap.
  • ✓Welsh slate colour varies by quarry (Penrhyn/Ffestiniog/Cwt-y-Bugail) — match to your existing roof.
  • ✓Concrete tile weight is ~50kg/m² — check joist capacity before switching from slate.
  • ✓For membrane: EPDM lasts 40–50 years, GRP 30–40, felt 15–25. Surplus is factory-fresh either way.
  • ✓Order 10% overage — reclaimed batches can't be reordered and future repairs need matching stock.

91 listings · Sorted by newest

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Related categories

Surplus Bricks & Blocks

Surplus and reclaimed bricks and blocks from UK trades, merchants and self-builders. Pallets, job lots and singles — facing bricks, engineering bricks, reclaimed Victorian stock and concrete blocks at a fraction of new-build prices.

Surplus Insulation & Plasterboard

Surplus PIR, EPS, mineral wool and plasterboard from UK contractors and merchants. Offcuts perfect for stud walls, full boards for first-fix — at trade-clearance prices.

Frequently asked questions

Can I mix reclaimed and new tiles?+

Yes, particularly on hidden roof faces, gable ends or repairs. For aesthetic consistency on visible elevations, source the full quantity reclaimed. Historic Environment Scotland and Historic England both prefer 100% reclaimed on listed and conservation-area work.

How long do reclaimed slates last?+

Welsh and Scottish slates that have lasted 100 years typically have another 60–100 in them — provided the head is sound and re-holing is possible. Reject any slate that rings dull on a tap test or has visible delamination at the edges.

How many tiles do I need per m²?+

Plain clay/concrete: 60/m². Pantiles: 16/m². Peg tiles: 55–65/m². Welsh slate depends on pitch and exposure — typically 20–24/m² at 100mm gauge. Add 5% for cuts and 5% for future matching repairs.

Can I lay reclaimed slate on a low pitch?+

Not recommended below 25° for natural slate — the head-lap requirement exceeds practical rafter depth. For 20–25° pitches use large-format slates with under-slating membrane; below 20°, switch to a membrane roof.

What's the difference between peg, pantile and plain tiles?+

Peg tiles hang from wooden pegs (hand-made, pre-1900). Pantiles are S-shaped, single-lap interlocking. Plain tiles are standard flat rectangles laid double-lap. All three are common in surplus and reclaimed form.

Do surplus membranes have a shelf life?+

EPDM: 5+ years unopened in a cool store. Felt: 2–3 years. GRP kit resins: 12 months. Check date codes on the packaging — surplus stock is factory-fresh, not aged.