AllSize Stretchers

Assemble any size of stretcher, instantly! Our new AllSize system is the ideal solution for unusual or bespoke stretcher requirements.

A truly cost-effective choice: there's no waste as you can connect leftover pieces to construct usable lengths.

Check out the instructional videos!

AllSize Stretchers

Clearance Sale

When they're gone... they're gone!

We're clearing space for our new catalogue, all sale items must go

Up to 80% off

View Latest Offers

Frame Visualiser

Complete the picture...create new framing concepts in seconds!

This fantastic new facility delivers fully rendered framing solutions in just a few clicks of the mouse. We hope that you find this new tool amazingly useful but beware – it's pretty addictive too!

Frame Visualiser


The Cornwall range is now available in a 25mm profile size

Choose from 10 finishes

Try them with our Sample Deal - Buy 1 length get another free

Cornwall Range


The latest addition to our wooden picture moulding range is the Timberland range combines 'on trend' colours with a generous wooden texture.

Choose from 3 profiles and 3 coloured finishes

Available in our Sample Deal - See New section


Be well connected, follow Mainline online...

Stay connected with Mainline by interacting with our Social Media platforms.

Link to our Facebook page, post on our live Twitter feed or get news immediately with our RSS Feeds

Social Media

3D Spins!

Experience our mouldings in spectacular new 3D spin view!

See an example!

Wood mouldings

All our wood mouldings are now priced by the length or box. Most of the wooden mouldings' boxed quantities are actually only 12 metres therefore you will benefit from the box discount on an order of just 12 metres!

More information

Frame Visualiser

Visualise, create, share!

Polcore mouldings

Mainline’s highly specified and design-led extruded mouldings are available in more than 1000 designs, finishes and profiles.

How to work with Polcore

More information

MORSØ Blade Sharpening

Morso blades

Our blade sharpening service, performed by fully trained staff, will ensure that customers receive the ultimate in MORSØ blade performance. A Collection and Delivery service is available.

More about MORSØ blade sharpening

Delivery & handling

We will endeavour to advise on delivery charges and duties when necessary.


Full list of delivery charges

Mainline picture frame mouldings and framing supplies

Mainline Mouldings offers one of the widest ranges of quality picture frame mouldings and picture framing supplies in the UK. Our products and services represent great value for money for all our customers from picture framers and art galleries to photographers, individual artists and hobbyists.

More about Mainline Mouldings