Hampshire · England

Window & door mastic in Lychpit, Hampshire

Window mastic for Lychpit, by sealant specialists with 20+ years’ experience. 180+ five-star Google reviews and a 4.9 rating.

  • Rain getting in at the frame or under the sill
  • Cracked or shrunken mastic around the frame
  • Draughts coming in around windows and doors

Window mastic for Lychpit homes and businesses

What sealant work cannot fix

We’d rather tell you now than do work that won’t last, so here’s what sealant can’t put right:

  • Damp coming through the wall itself rather than the frame joint
  • A door that needs adjusting, rehanging or new seals
  • A frame that has rotted at the joint

If in doubt, phone 0345 464 0079 or send us an email and we’ll say what we think.

Joints and surfaces we work on

  • Timber windows & doors
  • Window sills
  • uPVC windows
  • Patio & French doors
  • Composite doors
  • Aluminium frames

Window mastic for homes and businesses in Lychpit

Frames and walls don’t move together. Plastic and aluminium frames move with the temperature, while masonry stays fairly still. That is why the joint needs a flexible, low-modulus sealant rather than something rigid. We work on uPVC windows, composite doors and timber windows & doors, and people most often call us about white mastic on grey or black frames and gaps between the frame and the inside reveal.

In a village or hamlet like Lychpit, older cottages and farmhouses often have timber windows set in stone or brick. Older buildings like these don’t always suit modern silicone, so the sealant has to be chosen to suit the building.

We guarantee the work for a year. If there’s a problem with our work within the year, let us know and we’ll sort it.

Mr Mastic applicator sealing the top of a white uPVC door frame on a red-brick house
Location
Lychpit (RG24)
Region
Hampshire
Guarantee
One year on every job
Price
A clear price before work begins
Telephone
0345 464 0079
Updated
26 October 2026

Can I do it myself?

Overfilling a joint is a classic DIY mistake. A heavy bead looks messy and copes badly with movement, and getting the depth right matters as much as the look.

If you are set on DIY, put the effort into preparation: take out all the old sealant, make sure the joint is clean and dry, and give it the full cure time. If it fails, we can still redo it.

Lychpit homes and the weather

With historic houses such as The Vyne (about 3 miles north-west) nearby, there’s older building stock in the area around Lychpit as well as newer homes. In older buildings, older frames set in brick or stone need a sealant that suits them, and sometimes that’s traditional sand mastic. The South East is one of the drier parts of the UK, yet outdoor joints still have to be sealed dry, so jobs are booked with the weather in mind.

For an older house near a landmark such as Church of St Mary, the windows may be timber, sash or later replacements, and each needs the right sealant against the wall. For site and facilities teams at buildings such as Old Basing Infant School, the mastic around its windows and doors needs looking after like any other building’s.

Lychpit is about 2 miles east of Basingstoke, in Hampshire. Wherever you are in the RG24 postcode area, we cover window mastic for homes and businesses. Our Hampshire coverage runs to 683 places, Lychpit among them. There’s also a page for Reading, about 13 miles away.

We cover every part of RG24 for window mastic. If you need window mastic at a property on Park Lane, Crown Lane and Manor Lane or a nearby road, we can help. Other places close to Lychpit include Old Basing (1 mile east), Eastrop (1 mile west), Chineham (1 mile north), Oakridge (2 miles west) and Mapledurwell (2 miles east). Within a short drive, we also cover Farnborough (12 miles east), Fleet (9 miles east), Aldershot (13 miles east), Alton (9 miles south), Yateley (11 miles north-east) and Tadley (7 miles north-west).

What’s near Lychpit

Around Lychpit, our work takes us to homes and buildings near The Costello School, Eastrop Park and The Crown Public House. The nearest railway station is Basingstoke station, roughly 1.6 miles west of the centre. Well-known places in the area include Basingstoke and North Hampshire Hospital (2.6 miles west) and Basing House (within half a mile south). Green spaces nearby include Farleigh Hill and The Mill Field.

Map of Lychpit © OpenStreetMap contributors

Signs you need window mastic in Lychpit

Sun, frost and rain wear sealant out. Sunlight dries the surface out, until it loses its stretch and starts to crack.

People normally contact us when they notice one of these:

  • Leaking joints at the ends of sills
  • Cracked or shrunken mastic around the frame
  • Whistling draughts around closed windows
  • Gaps left after new windows were fitted

Rented homes near Basingstoke 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.

Before you book anyone

  • What product goes in the joint
  • What happens if they find a problem under the old sealant
  • What preparation is included
  • How long the guarantee is

Our hiring checklist

Landlords, agents and businesses in Lychpit

Businesses can book us for washrooms, kitchens, offices and more. On commercial sites, working times can be discussed when we quote.

Hotels need rooms back in use, so the work can be planned room by room. Hotel work is part of what we do, alongside homes and businesses.

How it works

Our applicators work methodically: protection first, then preparation, sealing and a tidy-up. Typically it takes a few hours for a handful of frames, longer for a whole house and we leave things clean and tidy. In a small place like Lychpit, access is usually the main thing to plan. If the job is outside, mention outbuildings, exposed walls and how to reach them.

  1. First, we confirm safe access to each frame.
  2. All the failed sealant is cut away.
  3. Frame and wall are cleaned and must be dry before sealing, and primed where the sealant calls for it.
  4. Deep voids are backed, then the sealant is gunned in.
  5. The joint is shaped to shed water and the area tidied.

Before we arrive

  • Clear items away from the joints we’re working on
  • Mention any tricky access
  • Let us know about parking restrictions

Getting a quote

There’s no standard price list. Instead, we give you a clear quote for your job. To arrange one, call 0345 464 0079 or send us an email.

Get a price

Advice

What affects the cost of window mastic

There’s no set price list, because jobs vary so much. What we look at:

  • Whether there’s mould to deal with
  • Whether the work is at height
  • The number of rooms or windows
  • Whether old sealant or filler has to be cut out

Doing several joints on one visit normally makes better use of the time than several visits, so it’s worth mentioning everything you’d like done. We’ll give you a clear price for the lot.

What we need to know

A few details help us give you an accurate quote. When you ask for a quote, tell us:

  • The type of property
  • Any previous sealing or DIY work
  • Photos by email, if that is easy
  • Where the property is

It all starts with a short chat. Describe the problem, the location and the size of the job, and we’ll talk you through what we’d do. Whenever you’re ready, call 0345 464 0079 or email us.

Why deal with it now?

Failed mastic is not a reason to replace sound windows. If the frames and glass are in good order, resealing the joints is often all that’s needed. If we find failed glass units or worn seals, we’ll tell you. Around Lychpit, older homes often have timber in their floors and frames, where water from a failed joint can cause rot if it’s left.

A failed joint rarely gets cheaper to fix by waiting. If you are not sure whether it needs doing, phone 0345 464 0079 or drop us an email and we’ll give you an honest view and a quote.

Why us?

  • You choose the colour before work begins
  • Arbo and Everbuild products
  • Homes, businesses and hotels
  • Anti-fungal silicone where joints get wet

Read what affects the cost and customer reviews.

Lychpit: your questions answered

Is Lychpit in your area for window mastic?

Yes, Lychpit is within the area we cover. We work across London and the South East. Just phone 0345 464 0079 or email us with a few details of the job, and we’ll give you a clear quote.

Can you help a landlord with a rental near Basingstoke station?

Yes. We work for landlords and agents as well as homeowners. Just ring 0345 464 0079 or email us with the address and what needs doing, and we will give you a clear quote.

Can new window sealant be painted?

Not if it’s silicone. Tell us your decorating plans and we’ll pick a sealant to suit.

Will there be a smell?

That depends on the sealant. Some products have a noticeable smell, others very little, and any smell fades as they cure.

Can you do upstairs windows?

Yes, where it’s safe. Higher or awkward frames may need extra access, and we’ll confirm what’s needed.

Can I do it myself?

That depends on the joint. Work at height, movement joints, fire-rated gaps and large areas are best left to a professional.

Will new mastic stop draughts?

Often, yes. The gap between frame and wall is a common source of draughts, and sealing the inside and outside joints closes that path.

Is the work guaranteed?

Yes. Every job comes with our one-year guarantee, and we are ARBOMaster approved applicators.

20+ yearsMastic and sealant specialists
ARBOMaster approvedApproved applicator for Arbo sealants
Fully insuredDomestic, commercial and hotels
One-year guaranteeOn every job