Lean to Sunroom patio enclosures backyard sunroom
Lean to Sunroom patio enclosures backyard sunroomLean to Sunroom patio enclosures backyard sunroomLean to Sunroom patio enclosures backyard sunroomLean to Sunroom patio enclosures backyard sunroomLean to Sunroom patio enclosures backyard sunroomLean to Sunroom patio enclosures backyard sunroomLean to Sunroom patio enclosures backyard sunroom

Lean-to Sunroom Specifications

Appearance: Lean-to Arch Roof Patio Enclosure

Sunroom Size: 4x10x3m

Total foot area: 40sqm

Optional Width/Span: 2-7meter

Lean-to Sunroom Frameworks

  • Profile Model: A5
  • Main Profile Specifications:70mm*80mm*2.5-4.0mm
  • Frame material: Hard pressed extruded aluminum alloy 6061/T6
  • Aluminum surface finish: Powder Coating
  • Aluminum profile color: dark brown, silver grey, golden, customized

Lean-to Sunroom Cover

  • Material: 4mm thickness polycarbonate panel
  • Roof: gloss or mat semi-transparent light grey polycarbonate panel (4mm thickness)
  • Walls: transparent polycarbonate panel (4mm thickness)

Customize Your Lean-to Sunroom

  • Open: Slide open from one side to the other, or slide from the center to two ends
  • Power supply: Built-in mobile power supply
  • Optional accessories: lighting, blinds, etc.

Lean to Sunroom Backyard Patio Enclosures

A lean to Sunroom attached to your house allows you to enjoy the sights, smells and breeze of the outdoors without the nuisance of bugs. Patio sunroom can provide you with a good place to enjoy your meals. Lean-to sunroom provides a perfect dinning area. You can enjoy outdoor while sitting indoor.

Shelter lean to sunroom with an elegant arch roof, made of lighter weight aluminum but the firmness remains the same. In addition, compared with the traditional sunhouse, the modern sunroom is retractable both on roof and sidewall. Our lean-to sunroom has made great improvements in insulation performance. We choose the Polycarbonate board as the cover, which greatly improved the heat insulation performance. The roof board can effectively block 98% of ultraviolet rays. Now we have also launched the motorized patio enclosures, which is more labor-saving than the manual model, and the switch of the sunhouse can be controlled by a-click-of-a-button.

Lean To Sunroom

Lean to Sunroom

Take the sunshine to your room and your life

Structural Features of Lean to Sunroom


The sunhouse with wheels are motorized with retractable bay. You can open and closure your sunhouse with a-click-of-a-button.

Scroll wheels

Our silent scroll wheels make less noise when you sliding your enclosure.

Sealing strip

The sealing strips leave no gap between each connectors, prevent rain or water from infiltrating into the enclosure.

Safe – Robust – Easy

  1. Safe Modular Enclosure
  2. Robust Aluminum Metal Framworks
  3. Easy to install and transport.

Top Quality

Our enclosure was made by the most advanced CNC machines. The high-tech equippment ensures high precision and top quality. We also have strict quality control system to make sure each delivered product remains top quality.

Patented Enclosure System

Shelter Structures has more than 30 senior engineers focus on the designing, developing and manufacturing our own retractable enclosure system. Our endless invest in the technology paid off with massive recognition from market home and abroad.

Roof Features of Lean to Sunroom



Don’t worry about the rain and the storm, our sunhouse enclosure is totally waterproof.

UV light Resistance

The PC panel roof can block out 99% UV rays protect your skin from burning sun.

90% Light transmittance

High transmittance of the roof and wall offers you a full clear view of the surroundings. Your garden plants will be feed with enormous sunshine.

Fire Resistance

Flame retardant standard with DIN 4102 B1, M2;

Bendable & flexible

Impact resistance

Temperature adaptability

Sound insulation

More Options For Your Lean to Sunroom

Colors of the patio enclosure frames

Colors of the roof and wall

Motorized or manual

Packaging & Shipping of Patio Enclosure

There are two packaging methods for polycarbonate Patio Cover.

The regular one is thick paper carton packaging. Each carton is light and can be carried by 2 people.


Carport Package - Thick Paper - Waterproof Stretch Film - Metal Carport Covers & Patio -Sunshield

Wooden box packing is available as per your requirement.

1.All accessories are packed in cartons with separated cells to avoid scratch

2.Polycarbonate sheet is packed in one roll with waterproof woven bag

3.Aluminum frames are packed with cushion film and then packed in seaworthy waterproof PVC coated polyester fabric

Packaging-Delivery-Metal Carport Covers-Polycarbonate-Patio-Cover-Worldwide-Delivery

1. Delivery time: 1-2 Weeks for Southeast Asia area while 3- 4 weeks for others such as North and South America, Europe etc.

2. Worldwide transportation & home delivery

Custom Your Patio Enclosure

Please send your inquiry with detailed requirements ( Size, Colors of Frames & Roof, Quantity) and we will make sure you’ll get the best deal.

    If construction, swimming pool image are available:


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