About
ABOUT Mattress Foundations
The Leader in the Mattress and Health Industries Promoting “Incline Sleep”
Mattress Foundations is a manufacturer of all-natural wood foundations and Inclied sleep foundations. The all-wood “Terra Foundation” is the heavyweight champion of Mattress Foundations. Terra far exceeds support requirements for all mattress warranties, and it is more than a foundation - “Terra” has been designed to be a lasting piece of bedroom furniture.
America’s # 1 Shippable Wood foundation
After 48 years of manufacturing sleep products, Larry Wolfe, the founder of Mattress Foundations, has become passionate about making incline sleep affordable. Joined by his son, Jeff (a Phoenix home builder), they have designed two products for elevating your bed to harness the health benefits of gravity. The 3,000-year-old practice of elevating your entire body is experiencing a wave of followers. You can learn more about Inclined Sleep benefits on Mattress Foundations

Specifications, & Designs
(14") My Incline ~ Adjustable Mattress Foundation
More details shortly
Incline 5 (Flat)
Incline 5 ( Six Rise)

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The Incline-5 Mattress Foundation is designed to deliver a 5″ rise from foot (14″) to head (19″). Eight legs: three 5″, two 7″, and three 10″ achieve the 5-degree incline for your journey to healthy sleep. Foundation can be converted to a standard flat at any time by changing all legs to the same height.
Incline 5 features:
- Designed for Luxury and Latex mattresses
- Furniture-grade US North West Spruce kiln-dried premium wood
- Supports up to 1200 lbs
- 15 Slates - 2.75 spacing
- Double bolt assembly -no breakable parts
- 8" Height with 3 leg heights: 5", 7", 10"
- Quick and easy assembly – no tools required
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TERRA Wood Heavyweight Mattress Foundation

Foundation features:
- Built for Luxury & Latex mattresses
- North West Spruce kiln-dried premium wood
- Supports up to 1500 lbs
- 19 Slats – the industry leader- 1.5″ apart, 3/4 thick
- 40 Year Warranty
- 9 Legs 4″x4″ – included
- Double bolt assembly-no breakable parts
- Easy Assembly-No tools required-light weight
- Incline Sleep adjustability-built into legs
- Easy to Un-assemble and move
- Natural Cotton Cover
- Finished height 8″, with legs 14″
- Free Shipping to all lower 48 states
Products & Assembly
(14") TERRA Natural Wood Mattress Foundation
(14") INCLINE-5 Mattress Foundation
Assembly Steps
We are working on this section! Steps and images will become available soon
Built To Last with Premium Materials ~ Warrantied for 40 Years
(14") TERRA Natural Wood Mattress Foundation
Foam & Latex Mattresses Require More Support than Traditional Innerspring Mattresses
Features a Universal design that can be used with any mattress:
- Northwest Spruce ~ Kiln-dried S4S Premium Wood; smooth on all 4 sides; More slats for Maximum Support
- Organic Cotton Cover ~ Luxury Organic Cover with Quilted Border | 65/35 organic cotton cover, quilted with natural Eco Shield FR fabric
- No-Tool, Easy Assembly in 20 minutes
- Warrantied for 40 years against defects in workmanship and materials
- Replaceable cover and parts
- Not returnable
100% Natural Wood Designed from furniture grade North West Spruce kiln-dried Premium Wood. Every piece smooth to the touch. Built to be a lasting piece of bedroom furniture.
Industry-Leading Mattress Support- Up to 1500lbs -Anything Goes 19 Slat & rail support: 1×3 spaced less than 3″ apart Eight 4″x4″ solid wood legs included. Exceeds support requirements for any mattress warranty.
Industry-Leading Corner Support 2 Bolds for every corner & center support Easy assembly with washer, lock washer & wingnut Surpass all other corner connectors 5 to 1 No glue or adhesives
All Natural Design We have paid close attention to make sure your foundation is built with natural components; untrreated wood and organic cotton cover.
Shipping & Building Free shipping. Ships in a box to your doorstep. Assemble in 20 minutes without tools.
Breathability & Ventilation Natural Air Flow with slats all less than 3″ apart. Luxury Organic Cover with Quilted Border
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Twin |
Twin XL |
Full/Double |
Queen |
King |
Cal King |
SIZE |
37.5″ x 73.5″ |
37.5″ x 79.5″ |
52.5″ x 73.5″ |
59.5″ x 79.5″ |
37.5″ x 79.5″ Split |
35.5″ x 83.5″ Split |
WEIGHT |
44 lbs |
45 lbs |
60 lbs |
64 lbs |
82 lbs |
82 lbs |