West Sussex · England
Window & door mastic in Littlehampton, West Sussex
Mastic around window and door frames, sills and patio doors for Littlehampton, backed by a 12-month guarantee. Ask us for a quote.
- Rushed sealant from a window installation
- Hard, cracked sealant around windows
- White mastic on grey or black frames
Do you need window mastic in Littlehampton?
On timber frames, paint and putty build up around the joint. Mastic painted over many times cracks with the paint, and timber moves with moisture as well as temperature.
Any of these means the joints need attention:
- Sealant in the wrong colour for the frame
- Cracked sealant at the sill ends
- Whistling draughts around closed windows
- Gaps between the frame and the inside reveal
Rented homes near Littlehampton station change hands often, and cracked frame mastic tends to show up as a draught or damp complaint, so it’s worth checking between lets.
Questions to ask before you book
- Are they insured?
- Whether they seal over old material or remove it
- The length of the guarantee
- Whether you can choose the colour
How we handle window mastic in Littlehampton
Over two decades of sealing frames has taught us which products suit which walls. We are ARBOMaster approved and fully insured, and every job is covered by a 12-month guarantee. Common call-outs are for water coming in at the bottom corners of a door and cracked sealant at the sill ends, on aluminium frames, patio & French doors and uPVC windows.
In a town like Littlehampton, the windows on the most exposed side of a house take the brunt of the rain, and that’s usually where the sealant gives up first. It’s worth looking at every frame, not just the one that leaks.
You’re covered for a year from the day we finish. If there’s a problem with it, please ring 0345 464 0079 or drop us an email.
- Place
- Littlehampton (BN17, BN16)
- Wider area
- West Sussex
- Cover
- A year, on every job
- Quotes
- A clear quote up front
- Call
- 0345 464 0079
- Last updated
- 26 October 2026
The process
We keep the work tidy and contained to the joints we’re treating. Expect the work to take a few hours for a few frames, or a day or more for a whole house. In Littlehampton, parking is rarely complicated, though it helps to know about driveways or restrictions, and let us know if the work is upstairs, in a flat or up high outside.
- First we look at every frame and agree the list.
- The old mastic is cut out and the surfaces cleaned back.
- We fit backing rod in deep gaps so the sealant is the right depth.
- We apply a weatherproof sealant to match the frame and tool it neatly.
- We clear up and check every joint is fully closed.
Before we arrive
- Keep children and pets away from the work area
- Let us know about stairs, lifts or work at height
- Let us know about parking restrictions
Ask for a quote
To get a quote, ring 0345 464 0079 or drop us an email with the location and a short description of the problem. We will give you a clear quote before any work starts.
Related advice
Work for landlords, hotels and businesses
Businesses can book us for washrooms, kitchens, offices and more. For commercial premises, we can talk through working times when we quote.
We regularly work with letting and managing agents. Tell us the address, the job and how access works and we will give you a quote.
Also near Littlehampton
Other services in Littlehampton
What window mastic looks like in Littlehampton
Littlehampton is close to the coast, and homes near the sea take more wind-driven rain, with salt in the air closer to the shore. That is hard on the mastic around window and door frames, especially on the side facing the sea. Rainfall in the South East is lower than in much of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.
Homes close to The Parish Church of St Mary the Virgin include some older properties, and the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. Schools such as The Littlehampton Academy are buildings too, and the mastic around its windows and doors needs looking after like any other building’s.
Littlehampton is about 6 miles west of Worthing, in West Sussex. For window mastic in and around Littlehampton, please call 0345 464 0079 or send us an email for a quick quote. We cover West Sussex from our Crawley base, Littlehampton included. Littlehampton is one of 371 towns and villages in West Sussex where we work for window mastic. For nearby work, see our Brighton page, about 18 miles away.
Our applicators cover all of BN17 and BN16 for window mastic. Local streets include High Street, Parkside Avenue and Norman Close, and we cover them all. Littlehampton sits on or near the A259 and A284, so getting to you is simple. Close by, we work in Toddington (1 mile north), Rustington (1 mile east), Wick (1 mile north-west), Lyminster (1 mile north-west) and Climping (2 miles west). Larger places within reach include Worthing (6 miles east), Bognor Regis (7 miles west), Chichester (11 miles west), Selsey (12 miles south-west), Shoreham-by-Sea (12 miles east) and Lancing (9 miles east). As one of the bigger places in West Sussex, Littlehampton has homes, rented property and businesses of every kind.
What’s near Littlehampton
Locally, jobs take us to homes and businesses close to River Beach Primary School, New Inn Hotel and Littlehampton College, among other places. Littlehampton’s nearest station is Littlehampton station, roughly 0.7 miles west of the centre. Well-known places in the area include Zachary Merton Hospital (1.4 miles east) and Lyminster Siege Castle (2.8 miles north). For a walk, there’s Highdown Hill and WWT Arundel.
Can I do it myself?
Some jobs are best left to a professional: work at height, external movement joints, fire-rated sealant and large areas call for the right materials, safe access and experience.
Too much sealant is as bad as too little. A heavy bead looks messy and copes badly with movement, and the joint depth matters as much as the finish.
Keeping the joints in good condition
So the new joints stay in good condition:
- Ventilate rooms so frames don’t stay wet inside
- Avoid blasting the frames with a pressure washer
- Keep paint off silicone joints
- Walk round the house once a year and look at the joints
A yearly look round the frames is enough. Cracks and lifting edges are easy to spot early.
Wet, windy weather is when failed mastic shows itself, but resealing works best in dry conditions. Dealing with it when you first notice a crack avoids chasing leaks through the wet months.
What happens if it’s left?
A cracked joint around a frame lets rain into the wall. Over time that can mean damp patches, damaged plaster and rotting timber. A reseal is a much smaller job. Draughts from a gap round a frame, damp under a sill or water behind a bath panel all start small, and they’re far easier to fix early.
What it costs depends on the amount of work, how much old material has to come out and how easy the joints are to reach. We give a clear quote before we start.
Why us?
- More than 20 years in sealant work
- We agree the colour with you first
- ARBOMaster approved applicator
- Quality sealants from Arbo and Everbuild
Honest limits
New sealant cannot fix everything, and we’d rather say so up front. It won’t solve:
- Damp coming through the wall itself rather than the frame joint
- Soft or decayed wood in the frame
- A failed sealed unit that has misted up
Not sure which it is? You can phone 0345 464 0079 or send us an email and we will tell you honestly.
Where we work in Littlehampton
- Timber windows & doors
- uPVC windows
- Aluminium frames
- Window sills
- Composite doors
- Patio & French doors
Your questions about window mastic in Littlehampton
Do you cover Littlehampton for window mastic?
Yes, Littlehampton is within the area we cover. We work across London and the South East. You can call 0345 464 0079 or send us an email and tell us what needs doing.
Does living near the coast affect window mastic in Littlehampton?
Coastal homes put outside sealant through more weather than inland ones, so the choice of sealant and the preparation matter even more. It’s worth checking the walls that face the sea first.
I rent my home. Can I book you?
Yes, though it’s best to check with your landlord first. Many landlords are glad to have it sorted.
Can new sealant go over the old?
No. Fresh sealant does not stick to old sealant, and anything trapped underneath, including mould and water, stays there. We remove it all first.
Can you do upstairs windows?
Yes, as long as they can be reached safely. Let us know about access when you ask for a quote and we’ll plan for it.
Can landlords and businesses book you?
Yes. We work for homeowners, landlords, letting agents, businesses and hotels across West Sussex.
How long should I leave it?
It depends on the product and the conditions. We tell you how long to leave it before we go.
Will there be a smell?
Some sealants have a smell while they cure, which fades as it sets. Opening a window helps.