Most Popular, Premium High Firm: RX39 (Blue)
Most Popular! Premium Reflex 40h
RG50 Firm High Density (White)
High Density Medium Firm Reflex 50 (Pink)
Standard Medium Firm RX36 (Beige)
If your DFS T shape sofa cushions have gone flat, soft, lumpy or uncomfortable, replacing the old fibre filling with made to measure foam can help restore the seat properly. T shaped cushions are commonly used on sofas, armchairs and corner units where the cushion needs to fit around arms, frame sections or shaped seating areas.
Many DFS cushions are supplied with fibre-filled interiors. These can feel comfortable when new, but over time the fibre can flatten, clump and lose support. Once that happens, the cushion often needs constant plumping and still fails to sit neatly inside the cover. A foam replacement gives the cushion a firmer, more stable structure and helps the sofa feel supportive again.
Old fibre cushion interiors can make a sofa look tired even when the cover and frame still have plenty of life left. Replacing the filling with foam is a practical way to improve comfort, shape and support without replacing the whole sofa.
This T shape foam cushion option is ideal for replacing:
DFS T shape sofa cushion interiors
Flat fibre-filled DFS cushions
Sagging T shaped seat cushions
Armchair cushion interiors with shaped fronts
Sofa cushions with cut-ins around the arms
Corner sofa and chaise-style cushion inserts
Loose, baggy or misshapen cushion fillings
Worn cushion interiors from DFS and other UK sofa brands
Foam gives better structure than loose fibre and helps reduce the constant plumping and reshaping that fibre cushions usually need.
Although this product is designed for DFS replacement cushion foam, it can also be used for similar T shaped sofa cushions from other UK sofa suppliers.
This may include cushions from ScS, Sofology, Furniture Village, Next, Barker and Stonehouse, Oak Furnitureland, M&S, IKEA and other sofa retailers, provided the cushion shape and measurements are suitable.
The brand is useful as a guide, but the real key is the shape of the cushion cover. If your cushion has a T shape, with sections that extend or step around the sofa frame, this is normally the correct product to use.
Each T shape cushion interior is cut to the measurements you provide. This is important because T shaped cushions are not a standard rectangle. The arms, shoulders and cut-in sections all need to be measured correctly so the foam sits properly inside the cover.
For the best result, measure the cushion cover rather than the old fibre filling. Old fibre interiors often spread, collapse or distort, so they are not always a reliable guide to the finished size.
Measure each section of the T shape carefully, including the main width, front projection, cut-in areas and cushion thickness. The thickness should normally match the border depth of the cover. This helps the new foam fill the cover properly without leaving loose corners or baggy fabric.
Sofa seat cushions need proper support. For most DFS T shape replacement cushions, a medium-firm or firm upholstery foam is usually the best choice. These grades help restore seat height, reduce sagging and give the cushion a more stable feel.
A softer grade may be suitable for back cushions or lighter-use cushions, but for main sofa seats, going too soft can defeat the point of replacing the fibre. If the current cushion has collapsed, the aim is usually to restore structure as well as comfort.
The calculator allows you to choose from foam grades selected for replacing worn fibre interiors with foam, including popular firm and high-density options.
Dacron wrap is strongly recommended when replacing old fibre-filled sofa cushions with foam. It adds a soft outer layer around the foam, helping the cushion fill the cover more evenly and giving the finished seat a smoother, fuller appearance.
This is especially useful with T shape cushions because the stepped areas and cut-ins can otherwise look too sharp or underfilled. Dacron helps soften the edges, reduce a square-cut appearance and create a more upholstered finish.
For most DFS fibre-to-foam cushion replacements, 12oz Dacron is the best choice where a fuller finish is needed.
Stockinette helps the foam slide into the cushion cover more easily. This is particularly useful for T shaped cushions because the foam has to move into the cover cleanly without catching around the shoulders or cut-in sections.
It also helps protect the foam during fitting and makes the finished cushion easier to handle. When combined with Dacron, stockinette helps create a cleaner and more professional result.
Our free cushion fitting service allows customers to either order foam to the measurements supplied or send their covers in for fitting. This is especially useful for DFS T shape cushion replacements because shaped covers can be awkward to fill correctly.
Before sending covers, it is worth checking whether the cushion covers are wider than the available space on the sofa. Older covers may have stretched over time, and this can affect the finished fit.
Sending the covers in can be the safest option if you are unsure how to measure the T shape accurately or if the old fibre filling has badly collapsed.
Replacing old DFS T shape fibre cushions with foam can make a tired sofa feel much more supportive and comfortable. It can improve seat height, reduce sagging, restore shape and help the sofa look neater in the room.
Whether you are replacing one T shaped cushion or upgrading a full sofa set, our made to measure DFS cushion foam replacements offer a practical way to refresh your furniture without the cost of buying a new sofa.
Enter your cushion measurements, choose your foam grade, and select Dacron and stockinette for the best finished result.

£4.80
£4.80
£4.80



