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Unit 4D, Princess Street,

Rochdale, Lancashire OL12 0HA

Installing first class uPVC windows & doors daily

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Company Information



Call - 01706 651623 or 0333 123 1253

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Unit 4D, Profound Installations

Princess Street,



OL12 0HA


profound logo

Experienced installers of quality A-rated, environmentally friendly uPVC double glazing windows, doors, conservatories, cladding and guttering in Rochdale, Manchester and Lancashire.

* Required


Freephone - 0333 123 1253

Office - 01706 651623

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French and vertical sliding


Sliding windows

French windows are a classic twist on the casement style and are ideal for customers living in older properties as the traditional appearance fits in with homes of this style. Both sashes on our uPVC French windows open fully to almost 90% to give a clear opening, proving natural ventilation to a room, and one sash carries the central mullion for an unobscured view to outside.


Our sliding sash windows perfectly emulate the traditional style and operation of period sliding sash windows with one major difference: they’re made of truly convincing uPVC in timber effect. Simulating the diagonal profile joins seen in traditional wood worked windows, Renaissance sliding sash windows combine beautiful, traditional aesthetics with modern thermal performance.


With a wide range of woodgrain foils to choose from, along with a variety of traditional pulleys and ropes, sliding sash windows can be easily tailored to any property. Perfect for heritage homes, or homes in conservation areas, Our sliding sash windows are an excellent, easy to maintain and cost effective alternative to timber windows.

The traditional appearance and charm of sliding sash windows have gained favour in the residential market from homeowners replacing their windows who want to maintain the original look of their home, or bring some classic styling to a more modern property.


Astraseal manufactures REHAU, Eurocell and Synseal uPVC vertical sliders which are designed to replicate original timber sash window styles. The authentic features of our vertical sliders means you can offer a cost-effective timber replacement without compromising aesthetics, and the modern uPVC profile has the added benefits of being more energy efficient, secure, easier to maintain, and better at reducing heat loss and draughts.


To enhance the traditional timber appearance of our vertical sliders, we fit our windows with high quality, classic style hardware in a range of colours including brass finishes. Combined with modern secure locking, our vertical sliders offer the best of both worlds to the consumer. Astraseal vertical sliders can be supplied in traditional white or woodgrain foils for a real timber look. All the VS windows we offer feature tilt and slide sashes for ease of cleaning, secure ventilation and a safe fire egress.

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