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UPVC Sills

External uPVC Sill Coverings

Are your concrete sills old and tatty, paint flaking, reinforcement bars rusting, falling apart?

Imagine the cost of replacing these not to mention the upheaval, re-plastering and decorating afterwards.

M.M. Plastics have the answer with our new exterior PVC cover sills!

They are much better looking, harder wearing, guaranteed for 10-years, handcrafted, extremely cost-effective and hassle-free when compared to Concrete Sills.

• Available in a variety of different colours
• Maintenance Free
• Easily Cleaned

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MM Plastics cover sills are a new and cost-effective way of giving your house a new look.

Our unique sill coverings are ideal to cover cracked or weather damaged sills, saving you time and expense of replacing the whole concrete sill on your property. The uPVC sill covers have been tried and tested over the last 5 years to withstand the weather. We now have a very robust and strong sill covering to offer to our customers.

Our UPVC Sill Options

We have created 3 ranges of sills to cover all budgets.  Our sills are all made bespoke and handcrafted to the highest quality in every range, fitted by our in-house fully trained fitting teams. 

We strive to be creative with our products and we are the leaders in the external sill market!

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Sculpted Sill

Sculpted sill - has a bevelled front edge and smooth sill top, very nice looking sill when completed.

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NEW Seamless Sill

NEW seamless sill - this we have only designed, our seamless sill design is 10mm thick throughout and is our flagship sill. We have put a lot of time and effort into this sill and the outcome is amazing. The sill on top is seamless (no joins) to give a more sleek finish be more like your original sill in looks.

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Traditional Sill

Traditional sill - this is the sill we have started with over 7 years ago, this sill is smooth all round and has visible joins but all in all is very robust and well tested over the years.

Seamless Sill Gallery

See how our UPVC Sills completely transform these old and dated Concrete sills

So if your current sills are tatty and in need of a makeover, give us a call or email for a free estimate. Our sills are bespoke to each house and are made on site!

Karen Stewart

"Got my window sills and door sill covered by M.M.Plastics recently. Brilliant job. Couldn't be happier. Wish I had took before and after pics...also, excellent communication and arrived on both days they said. Thanks again guys, Karen"

Fran Erskine

"Got my sills done today. They look brilliant and we are delighted with them. The workmanship was first class and he tidied up everything. Highly recommended ????"

John Lynas

"Mark and his team arrived punctually, worked through some heavy showers and not only did a very speedy and neat job on installing plastic sills on the exterior of all windows, but swept the yard front and back, leaving the whole job a pleasure to behold. This firm is to be recommended and the pricing is very reasonable."

Ann Rainey

"Excellent workmanship from these guys 100 per cent"

Philip Hagan

"We had Mark and his team fit new PVC Cill to our Bungalow today. They had the job finished 4pm which was a fairly large job and what a wonderful difference it has made to the house.
They are very professional,hardworking and courteous and would hardly stop for tea or coffee..just nice fellas. A five star job done is a very short time having cleaned up pretty well after they finished. Well done and thank you Mark I would recommend your company to anyone"

Claire Waring

"Just had my window sills done by these guys today, delighted with them, such a difference. lovely guys fitted them and cleared up after themselves. Highly recommend."

Jean Mcburney

"Just had Mark and his team replace all my old window sills with new oak pvc sills to match my windows. All was done in one day when i was at work and all tidied up. Nice friendly workers and so pleased with the finished job. Would recommend them and also the good price."

Jean Porter

"On time, polite, friendly and professional service carried out by Mark and his team. From start to finish.. they were clean and tidy. Couldn’t be happier with the work that was carried out, absolute first class job and would highly recommend M.M Plastics. Went above and beyond expectations."

Helen Burke

"Very helpful at consultation stage. Always on time when doing work. Worked very hard, rarely stopping for breaks. Kept me updated throughout the week. Very clean, tidy and friendly. Got new gutters facias and softfits I would thoroughly recommend M and M Plastics. Excellent service and advice from start to finish. Thanks Mark and team."

Robert Robert

"Just had Mark and his team replace guttering , fascia and soffit . A truly professional job and even going the extra mile to compete roof survey and repair. An honest , decent, genuine and high quality of service. Highly recommend Mark and his team. Thank you"

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Our Sills come in 5 different styles

Our sills are neat, clean and will give your house a new look GUARANTEED.

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Black Ash

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Rosewood

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Golden Oak

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Anthracite

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White

All our uPVC Sills are available in a large number of options

Click the images below to view our gallery

See our before and after gallery below