Top 9 Framing Mounts A3 UK – Matting & Mounting Materials

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1. Memory Box

Memory Box Pack of 5, Ivory Computer Cut Bespoke Photo/Picture Mounts/Frame Mounts + Backs + Clear Bags, Frame Size A3 Mount Size A4

Memory Box - Each mount kit contains 5 mounts with backs & clear bags - Will fit standard ready made frames. Profession 45 degree bevelled edge Inside Cut & Smooth 45 degree outside cut - Only back is cut 90 degree. Top quality 1400 micron Acid Free White core Mount board. Measurement supplied is external mount size and internal aperture size.
BrandMemory Box
ManufacturerMemory Box
Part Number5-SinPack-ivory-A3


FRAMES BY POST Acid Free Single Light Blue Grey Mount and Backing Board 20"x16" Picture Size A3 With A Clear Self Seal Poly Bag

FRAMES BY POST - Clear 40 micron Poly Self Seal Bag. This is not a frame. Acid free single black mount with Backing Board With A Clear Self Seal Poly Bag. All our mounts have an image size that is 3mm smaller all the way round. Bevel cut with a single aperture using High Quality Daler Rowney Mountboard or similar. Perfect for mounting old Photographs and Prints to prevent discolouration and deterioration with age.
ManufacturerFrames By Post Ltd


Photo Work, BUENTYA 10Pcs White Picture Mounts, A3 Mount Picture Frame Mounts Acid Free Photo Mount Mat Board Square Photo Mounts Inside Aperture to fit for A4 Picture Posters, Paintings

BUENTYA - Standard a3 size & diy design possible:the outer size of this photo frame mat is 29. 7*42cm/11. 69*16. 54inch, and the inner size is 203*29cm/7. 99*11. 4inch. The size is standard A3 size, which is very suitable for A4 size pictures. And the color is white, so that you can DIY a unique frame according to your own preferences or pictures.

Excellent photo frame mat:using this kind of photo frame mat is not only can effectively block the exposure of uneven edges caused by plastic sealing, cutting or any other reasons, but also the smaller pictures or paintings can be perfectly fixed in the frame without falling off. It is an excellent photo frame mat. The small frame is located in the middle of the big frame, which can display the picture content in the frame in the best way. In addition, which can make this photo frame mat perfectly fit the photo to avoid gaps, the edge of the small frame is designed with a 45° bevel cut, so that it can improve the beauty of the photo frame.

Centered & 45° cutting design:this photo frame mat is designed with two frames. High-quality materials & durable:this photo frame mat is made of high-quality paper material, so that it is very safe to use, anti-aging, which has characteristics of environmentally friendly, durable and tough. And this photo frame mat is also adopted a acid-free design, not easily deformed, and will not produce any toxic or harmful substances to the human body. Easy to install:this photo frame mat is very convenient to use without any tools and skills.
Part Number20200703014

4. PPF (Art) Limited

Two Pack of Pure White Picture/Photo Mount Size A2 to fit Image Size A3

PPF (Art) Limited - 1. 4mm thick pH neutral cream core mounts. Pack of two pure white precision machine cut 45 Degree Bevelled Edge mounts. Our sizes represent the external mount size and internal opening size - please see description below for help with measurements. Please note that these are picture mounts not picture frames. All our mounts are produced to order in the UK by our professional picture framers.
BrandPPF (Art) Limited
ManufacturerPPF (Art) Limited

5. Cape Picture Framing

Pack of 5 Bright White, Choice of Picture Size and Colour, Picture Mounts with Backs & Bags, A3 with 55mm border, Frame Size A3

Cape Picture Framing - Equal borders of 55mm on each side. Square cut outer edges, 1. 4mm thick, bevelled cut on the inner edges. Inside. Exact mount size 420mm x 297mm. Outer measurements - to fit an A3 frame. Measurements - exact aperture size 310mm x 187mm. For other picture sizes and colours please select from the options menus. This is a pack of 5 sets - 5 mounts, 5 backs, and 5 resealable cellophane bags. Our mounts and backing boards are cut from conservation grade whitecore mountboard, acid free.
BrandCape Picture Framing
ManufacturerCape Picture Framing
Part NumberSNO8001A355X5C

6. Hoopersframing

Pack of 10 Picture Photo Mounts. Frame Size 20x16inch, Inside Aperture to fit A3 Prints. Choice of White, Black & Antique White- Acid Free Antique White

Hoopersframing - Straight outside cut - white bevel inside cut. Outside size suits 20 x 16" frame. 1. 4mm acid free whitecore mounts. Inside aperture to suit A3 prints - cut at 291 X 414mm. Pack of 10 mounts in a choice of 3 colours.
Height2.54 cm (1 Inches)
Length50.8 cm (20 Inches)
Weight2.5 kg (5.51 Pounds)
Width40.64 cm (16 Inches)
Part Number10m-20x16-a3

7. Daler Rowney

Daler Rowney 329308091 Ice White A3 Graduate Mountboard Pack of 8, White

Daler Rowney - Double-sided: white mount board card to one side and ivory to the reverse, giving multiple colour options for mounting or framing. Present artwork professionally: display your designs and keep them safe with this A3 mount board from the Graduate collection. Easy to cut: the mounting card is 1mm thick, allowing you to cut with scissors or a precision cutting knife. Made in the UK. Versatile uses: can be used as a framing board to frame drawings, paintings, cross-stitch or photographs or as a mount board before framing.
BrandDaler Rowney
Height1.3 cm (0.51 Inches)
Length41.91 cm (16.5 Inches)
Width29.69 cm (11.69 Inches)
Part Number329308091

8. Cape Picture Framing

Frame Size 20 x 16 to fit A3 Image, Pack of 10, Choice of Colour & Quantity Black white-core, Picture Mounts

Cape Picture Framing - For more sizes and colours please visit our shop on Handmade At Amazon here: www. Amazon. Co. Uk/dp/b01jsitRJE. Outer measurements - to fit a 20 x 16 inch frame. 1. 4mm thick conservation grade white-core. Exact mount size 505mm x 404mm. Exact aperture size 413mm x 290mm. Inside measurements - to fit an A3 image.
BrandCape Picture Framing
ManufacturerCape Picture Framing
Part NumberWCB801120x16A3X10

9. Clairefontaine

Black, 750 g, A3, Clairefontaine GMB3/120Z Goldline Mount Board, Pack of 10, 1.25 mm Thick

Clairefontaine - Acid free and PH Neutral. Pack of 10 sheets. Coloured on one side with smooth paper and the back is white. A3 in size. Can be used for model making, mounting, framing and more.
Height1.4 cm (0.55 Inches)
Length42 cm (16.54 Inches)
Weight0.75 kg (1.65 Pounds)
Width29.7 cm (11.69 Inches)
Part NumberGMB3/120Z