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Porch Screening Systems, Insulated Walls, Modular Sunrooms, Screen Enclosures, Patio Covers & Awnings

DIY Applications Designed for the Homeowner!

 *Finance Your DIY Project   

Navigation:  Home-Page | Modular Sunroom Kits | Alpha Plus Patio Rooms

Why C-Thru Sunroom Rooms!

Three & Four Season DIY Sunrooms

Insulated "Walls Under" Systems

Proudly made in U.S. of A.

We ship the Alpha Plus patio room systems country-wide throughout the USA

Our patented insulated roof-lok system comes in 3"-6" thicknesses; coupled with innovative features—like insulated Tuff-Core finished solid walls,
and single or double-pane glass—our Alpha Plus Patio Rooms are among the most energy-efficient sunrooms on the market today.


Energy Efficiency


DIY Installation



The following page has a series of videos posted by C-Thru Sunrooms over the years! We encourage you to take the time to review them. They will help you get to know the quality of manufacturers we are committed to working with. They are also an invaluable source of information on the product lines themselves. C-Thru Sunrooms is the original sunroom manufacturer and can be counted on to provide the best in modularized complete sunrooms and walls under systems





After a brief introduction by the President of C-Thru, go on a factory tour!


When considering a FULL SUNROOM including our WeatherGuard roof system...
you will want to think about strenght! Have some fun with this video!


If you want to know about glass, thermal spacers and thermal transmission and the
benefits of our DURAlite wall and roof glass systems...
watch the next two videos!





This video is an education in thermal (hot & cold) transmission through various materials. Basically it proves the efficacy of the Omega insulated wall system!





*Get a 'No Obligation' Quotation*

Doing it yourself does not mean doing it alone!
Toll Free: 1.844.404.0484




Our Lifetime Limited Material Warranty is unequalled by any other sunroom maker.
Your new C-Thru Sunroom is warranted for life, as long as you own it!

Approvals & Specifications
  • I.C.C. Approval (International Conf. of Building Officials)
  • IRC (International Residential Codes)
  • IBC (International Building Codes)
  • CBC (California Building Code)
  • Meets or Exceeds National Glass Code
  • Factory Built Housing Approval
  • C.M.B.S.O.A. Approval (Security Windows)
  • A-Rated Dual Glass (ALI Laboratories)
  • U.L. Classified Patented Electrical Raceways
  • AAMA Approved Windows and Doors
  • 100% Made in the U.S.A.

Modular Construction for Easy Installation

• Available in 24”, 36”, 42”, 48” and 54” Modules
• Modules are cut and assembled in a quality controlled environment
• Unit does not require precision cuts at the jobsite
• Less cuts in the field requires less fillers
• Every piece is quality checked before leaving the factory
• Less exposed fasteners and caulking
• Assembled in a fraction of the time of a KD assembly
• Easy to follow installation manual and installation support available
• Modular construction make installation a snap.

• Most room sizes can be installed in just a couple days.



A Sunroom is really 10 rooms in one!
•Living Room    •Home Gym    •Family Room    •Kid’s Recreation Room
•Home Office    •Spa Room    •Breakfast Nook
•Poolside Room    •Craft Room
•Game Room







Use the link boxes above for more information on this product.

Doing it yourself does not mean doing it alone!
Toll Free: 1.844.404.0484



Hours of Operation:

Monday-Friday | 8:00 am to 6:00 pm ET*

Saturday | 10:00 am to 4:00 pm ET*

Sunday | Closed

*Except for US & CAN holidays

Home Porch & Patio DIY Kits

*In any case of price or information discrepancy, this web site shall be taken as correct. All prices are subject to change without notice.

Web site pricing  - - In Canada: does not include freight rate up-charges to Newfoundland and Labrador, Vancouver Island, Nunavut, NWT, or the Yukon
Web site pricing  - - In USA: is for delivery within the contiguous US and does not include freight rate up-charges to AK, HI, PR or US Virgin Islands


*Some exceptions may apply.
 Click for details



 Click for the BBB Business Review of this Online Retailer in Orillia ON


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Toll Free: 1.844.404.0484   Fax: 1.705.259.2264   Email: web@homeporchandpatiokits.com
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