Family run since 1985

Flat Roofing in Milton Keynes & Newport Pagnell

Flat roofs repaired, re-covered and installed to last.

Family-run roofing specialists with over 40 years of experience across Milton Keynes, Newport Pagnell and the surrounding counties.

Request Free Survey Call 07497 711223

EPDM single-ply flat roof installation on an extension in Milton Keynes by Clarkson Roofing

01/Overview

Flat roofing

A flat roof isn't a compromise, it's a system.

Modern EPDM, GRP fibreglass and torch-on systems are long-lasting, warranted and quiet performers. What separates a 10 year roof from a 30 year roof is the detailing at upstands, edges and outlets, not the material on the packet.

01Correct falls
02Detailed edges
03Warm deck build-up

Every flat roof lives or dies on the detail.

Clarkson Roofing · Since 1985

03/Common problems

Common problems

Common flat roof problems we repair.

Hover any tile for the cause and our fix.

Membrane · Heat 01

04/Repair or replace

Repair or replace

Repair or replace? It starts with a proper inspection.

Some flat roofs only need targeted repair. Others have reached end of life.

Targeted flat roof patch repair being carried out on an extension near Milton Keynes

Option A · Repair

Repair may be right when.

Damage is localised to a single patch
Only a single seam or lap has failed
A small blister has formed in one spot
Edge trim or drip has been damaged

Full flat roof re-cover in progress on a Bedfordshire property

Option B · Recover

Recover or replace when.

Multiple leaks are appearing at once
Surface layer is degraded across the field
Ponding is present across multiple areas
The roof is more than 15 years old

Book a free survey

05/Materials board

Materials

Systems specified for the roof, not the trend.

Hover any material for the full spec.

Long life single-ply

EPDM Single-Ply

Best forExtensions, garages, single-storey

Lifespan25 to 30 years

WeightLight

Warranty20 years material

Ideal pitch0 to 15 degrees

WeatherExcellent, all UK zones

Seamless fibreglass

GRP Fibreglass

Best forComplex shapes, seamless finish

Lifespan25+ years

WeightLight

Warranty25 years material

Ideal pitch0 to 45 degrees

WeatherOutstanding, colour-fast

Cost-effective refurb

Torch-on Felt

Best forCost-effective refurb

Lifespan15 to 20 years

WeightMedium

Warranty15 years material

Ideal pitch1 to 20 degrees

WeatherGood, proven system

Cold-apply system

Liquid Waterproofing

Best forComplex detailing, cold-apply

Lifespan20+ years

WeightVery light

Warranty20 years material

Ideal pitchAny

WeatherExcellent, self-detailing

Failing garage flat roof stripped back to a rotten, water-stained timber deck

Completed flat roof re-covered with new trims, fascia and gutter

06/ Recent work

Full flat roof re-covering, Milton Keynes.

See all projects

Before After

LocationMilton Keynes

MaterialEPDM Single-Ply

Timeframe4 working days

ScopeStrip, insulate, EPDM

A garage flat roof re-boarded with a fresh timber deck, ready for its new covering — Since 1985 **A family business does not scale by cutting corners. It scales by referral.**

08/Why Clarkson

Why Clarkson

Flat roofing, handled properly, from survey to finish.

0140+ years of experience
02Family-run accountability
03Free, no-obligation roof surveys
04Fixed-price written quotes
05Fully insured
0624/7 emergency support in the region

09/FAQs

FAQs

Flat roofing, common questions.

How long does an EPDM flat roof last?

A properly installed EPDM single-ply flat roof lasts 25 to 30 years, with many manufacturers backing the material with a 20 year warranty. Longevity depends on correct detailing at upstands, edge trims and outlets, which is where most failures start rather than in the field of the roof. Request a free flat roof survey.

Can you install GRP fibreglass over existing felt?

No. GRP fibreglass has to be laid onto a clean, dry, structurally sound deck, usually OSB3. We strip the existing felt back to deck, replace any wet or spongy boards, then laminate the GRP in one continuous seamless finish.

Do you install warm deck or cold deck flat roofs?

We build warm deck as standard for any new flat roof or full re-cover, with rigid PIR insulation above the deck and the waterproof layer above that. Warm deck is the current best-practice specification for condensation control and thermal performance.

Can I upgrade the insulation on my flat roof?

Yes. When we strip a flat roof for re-covering, it is the right moment to convert a cold deck to a warm deck build-up and add 100 to 150mm of PIR insulation above the deck. It usually pays back in comfort and heating cost within a few winters.

Can flat roofs have solar panels?

Yes. Flat roofs are well suited to ballasted or tilt-frame solar arrays, provided the covering and structure are sound. We coordinate with your solar installer so that any penetrations or ballast points are correctly detailed and warranted.

What pitch does a flat roof actually need?

A flat roof is never truly flat. Current UK best practice is a minimum finished fall of 1 in 40 to shed water reliably. When we re-cover, we usually take the opportunity to correct falls with tapered insulation so ponding is designed out.

Do you work on commercial flat roofs?

Yes. We work on domestic extensions, garages, dormers and small commercial units including shops, offices and light industrial. For larger commercial roofs we survey, quote and program the work around the tenant's trading hours.

What happens if my flat roof ponds?

Occasional ponding after heavy rain is not itself a defect, provided the covering is sound. Persistent ponding accelerates UV and biological breakdown and is a sign the falls are wrong. We correct falls with tapered insulation or timber firrings when we re-cover.

Can you match existing flat roof colours?

For repairs and partial patches we source matching membrane where possible. EPDM is black as standard, GRP can be finished in a range of standard colours including grey, slate and sandstone, and torch-on caps are available in slate grey and green mineral finishes.

Are you fully insured?

Yes. Clarkson Roofing is fully insured. Materials carry the manufacturer warranty on top, typically 15 to 25 years.