Your modular lounge arrived as six or seven separate pieces, and that flexibility is the whole point. Then the first winter storm rolls through and you realise the cover you bought for the old three-seater does not go anywhere near it. Most lounge covers are cut for one fixed shape: a two-seater, a three-seater, a standard corner. A modular setting refuses to be one fixed shape.
This guide is for anyone with a modular or corner lounge and no obvious way to protect it. We will work through multi-piece strategies, straps, ventilation, and what to do when nothing in the outdoor furniture covers range fits your layout in a single piece.
Why modular lounges break the usual cover rules
A three-seater is one rigid object with a known length. A modular setting is a run of separate seats, corner pieces and ottomans that you slide around depending on who is visiting. That creates two problems a standard cover was never designed to solve.
The first is footprint. Most modular settings sit in an L or a U, so a rectangular cover either leaves a limb exposed or drapes across an open corner with nothing underneath to hold it up. The second is gaps. Push two modules a few centimetres apart and the cover sags into the space between them, forming a shallow bowl that collects rain and stays wet for days.
Measure the setting as it actually sits: longest run, second run, seat depth, and the height at the tallest backrest, taken with the cushions in place. A setting like the Austin Corner Lounge Set ($3,313) can be configured several ways. Measure the arrangement you will leave it in over winter, and push the modules tight together before you cover them.
Three ways to combine lounge covers over a modular setting
There is no single right answer. It depends on how often you rearrange the setting, how exposed it is, and whether you have anywhere dry to put the cushions.
| Approach | Best for | Watch out for |
|---|---|---|
| One oversized cover over the whole setting | Tight L-shapes pushed against a wall, settings you never move | Sagging and pooling across open corners; awkward to fit alone |
| A cover per module group | Wide U-shapes, settings you rearrange, pieces spread across a deck | Seams let water track in unless you overlap generously |
| Hybrid: cover the seating, store the cushions inside | Humid climates, roofed alfresco areas, long absences | Needs indoor space; you carry cushions in and out |
For a conventional corner arrangement, the Cover Corner Lounge Setting ($149) is the straightforward answer — it is shaped for the L rather than fighting it. If your setting is a long straight run plus a separate armchair, the multi-cover route usually wins.
The multi-cover approach works like this. Group your modules into blocks that match a standard size, then buy a cover for each block. A three-module run takes a Cover Triple Lounge ($149), a pair pushed together takes a Cover Double Lounge ($110), and the orphan armchair or ottoman takes a Cover Single Lounge ($79). Overlap the covers by at least fifteen centimetres where they meet, and lap the upslope cover over the downslope one so water runs across the join.
Straps, ties and weights that keep a cover on
Covers rarely fail from the top down. They fail because wind gets under the hem, balloons the cover and drags it off across the backyard. Everything you do to secure a cover should be aimed at that hem.
Start with whatever drawcord or toggle the cover already has and pull it genuinely tight, not just snug. Then add a strap of your own: run one under the seat frame front to back and buckle it over the top. On an exposed deck, cross a second strap the other way. Two straps at right angles hold far better than four half-tightened corner ties.
Give the cover a peak, too. Stand something firm in the middle of the seat before you drop the cover on — a filled bottle upright, or a short length of timber. That single high point turns a flat, water-holding surface into a slope.
On an apartment balcony or rooftop terrace, check your strata or body corporate rules before tying anything to a balustrade. Many schemes are specific about what may be fixed to common property, and wind loads several storeys up are much higher than at ground level.
Ventilation beats waterproofing
This is the part most people get backwards. A completely sealed cover keeps rain out and traps everything else in: overnight condensation, moisture wicking up from a damp deck, humidity that never leaves the air between November and March in Brisbane. The result is a lounge that stays dry from above and grows mould from below.
Look for a cover with mesh vents, and do not block them when you strap it down. Leave a small gap at the base rather than sealing the hem to the ground. On the first dry, breezy day after a wet week, pull the cover back for a few hours and let everything air out.
Two rules are worth remembering. Never cover a lounge that is still wet — you are sealing the water in. And keep cushions out of the equation where you can, because fabric stored dry indoors will always outlast fabric that spends a winter sweating under a cover.
Covering a modular lounge through an Australian winter
What you are protecting against changes with where you live. In Melbourne, Hobart and Adelaide the enemy is months of persistent damp, so ventilation and a good slope matter more than raw waterproof rating.
Perth and much of inland Australia have the opposite pattern: a mild, dry winter and a punishing summer. There the cover earns its keep from December to March, guarding cushions and finishes against UV. On the coast, salt-laden wind is the real problem, and a cover rinsed occasionally beats one left on permanently.
Fit is the foundation under all of it. A cover that is too big flaps, and one that is too small never seals. For the measuring fundamentals and how to read the sizes before you buy, read our guide to outdoor furniture covers that actually fit.
Lounge covers — frequently asked questions
Can you use one cover for a whole modular lounge?
Only if the setting is pushed tight into a compact L and the cover is genuinely shaped for a corner. A rectangular cover thrown over an open U-shape will sag into the gaps and pool water.
How do you stop a lounge cover blowing off?
Tighten the hem drawcord fully and add at least one strap that passes underneath the seat frame. On exposed decks cross a second strap the other way, and give the cover a raised centre point so wind slides over it.
Do lounge covers cause mould?
Covers do not cause mould, but sealed covers over damp furniture help it along. Choose a cover with vents, never cover a wet lounge, and air the setting out on a dry day every few weeks through the wet months.
Should cushions stay under the cover?
Store them separately whenever you have somewhere dry. Cushions hold moisture far longer than an aluminium or timber frame, so they are the first thing to go musty when a cover stays on for weeks.
How many covers do I need for a five-piece modular setting?
Usually two or three. Group the modules into blocks that match standard sizes — a triple, a double and a single is the most common combination — and overlap them where they meet.
Shop the range
Whether you need one shaped corner cover or a set of three that work together, the sizes are in our outdoor furniture covers collection. The settings they are cut for sit in outdoor lounge settings. We deliver Australia-wide, delivery is free over $100, and most orders are dispatched in 3-10 business days.
