
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

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!

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

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.

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.