Calculating Supports for a Sloped Deck Roofs

Roof Decks - RCABC Roofing Practices Manual

All types of wood decks should be roofed promptly after installation. Differential edge movements or deflection in excess of1/360 of the span in plywood or non-veneer decks in low slope roofing must be prevented by: solid blocking under non-supported edges, and /or; use of tongue-and-groove plywood with non-grooved ...

How to Support a Roof Over a Deck | Hunker

Nov 20, 2011 ... Tie a deck roof into a house by determining a slope and marking the starting spot on the existing roof or wall. Set posts at the outside of the deck, either in concrete just outside the end of the deck or fastened to the deck in steel post anchors. Set posts lower than the house point.

How to Use Adjustable Supports to Level a Deck | Today's ...

When building a deck on a sloped roof, it's difficult to achieve a level surface without penetrating the roofing material.

Designing Porch Roofs | Professional Deck Builder | Roofing ...

Jun 3, 2014 ... Because of an existing window on the upper gable, this would otherwise have been a long shed roof or a very low-sloped gable roof. ?To support the room-side gable rafters, we installed a beam made up of three 1 3/4-inch by 18-inch LVLs, with columns at both the house wall and the outer porch wall ...

STRUCTURE magazine | Low-Slope Roof and Deck Design ...

The author's company, a forensic engineering and architecture firm, has investigated hundreds of low-slope roof and exterior deck applications with water stains, ponding, framing damage, and structural ... The average slope is the slope of a line from the low-end support to the point of maximum deflection for a member.

Installing a Roof Over Your Deck - Mr. Handyman

Jul 9, 2012 ... A hip roof slopes downward more gently and requires a more complicated support system, but it does prove more aesthetically pleasing with its solid, ... your two favorite roofing types, and then ask your handyman to provide estimates for each, whether as part of the overall deck building estimate or as a ...

Decking and Paving Support, Screwjack pedestal- VersiJack

VersiJack is used in the construction of roof terraces, pedestrian walkways, roof gardens, plaza decks, sun decks, balconies, pool surrounds, podium landscapes and verandas. VersiJack® screwjack pedestal is adjustable in height from 37 mm to 1030 mm, with the use of proprietary extenders. An integrated slope ...

Patio Cover Plans - Build Your Patio Cover or Deck Cover

These patio cover plans assume that the existing structure is capable of supporting a new patio cover roof in the manner described below. If you have any doubts ... Your local building code should determine the actual sizes of concrete footings, slabs, wood structural members, and fasteners to be used. A structural engineer ...

Slope and Skew Calculator - Simpson Strong-Tie

Determining the slope and skew angles related to hip and valley beams can be a challenge made even more difficult when the roof slopes on each side if the hip or valley are different. This Slope and Skew Calculator makes it easy by performing all of the necessary trigonometry for each hanger condition in the roof. Simply ...

How to Build a Patio Cover with a Corrugated Metal Roof | Dengarden

Nov 2, 2014 ... This meant the patio cover could start at the edge of the house's roof at a height of eight feet and slope down to seven feet, leaving a clearance of more than .... I pre-drilled the screw holes with a 1/8 bit to prevent cracking and on the braces I pre-drilled halfway into the wood with a 1/4 bit so that the screws ...

Under-Deck Roof | Family Handyman

You could also use galvanized steel or plastic roofing panels and install them the same way. Rune screwed treated 2×4 purlins to spacer blocks to support the panels and provide the necessary slope (Figure A). Gutters aren't required, especially if the water drains onto your lawn. But if the water falls onto the patio, gutters ...

Replacing a Rooftop Deck | JLC Online | Framing, Wood, Lumber ...

Jun 1, 2010 ... The pedestals are designed to support a stone, masonry, composite lumber, or wood tile surface. A rotatable eccentric disk built into their base allows you to dial in slope compensation handy for holding plumb on roof slopes up to 1/2/12. Adapters are also available to adjust for slopes up to 1 inch per ...

Create Rafters for a Patio Roof | how-tos | DIY

The experts show how to start with the rafters when adding a roof to your patio or deck. ... A ledger/header board is the first step if you are attaching the patio roof to an existing structure. The placement of the ... Attach 2x6 rafters to the house with joist hangers and/or supported by the ledger board.

Rise and Run | Building a Porch Roof | Cutting Rafters

Mary and I know that our roof pitch table and rafter information below will make it easier for your calculations. Advertisements. Advertisements. The slope is critical to building a porch roof, cutting rafters to the correct length, and even determining the amount of shingles you will need. Example of rise and run. When building ...

Level.IT - Elevated Deck Systems

Adjustable. The Bison screw-to-adjust system makes it easy to install a perfectly level deck over sloped or uneven substrates. ... Bison Deck Supports elevate the deck above or around roof penetrations, allow water to drain, and keep the substrate below accessible for maintenance. ... Estimating Your Pedestal Quantity.

ROOF ASSEMBLIES AND ROOFTOP STRUCTURES

rier, insulation, vapor retarder and roof covering. ROOF COVERING. The covering applied to the roof deck for weather resistance, fire classification or appearance. ROOF COVERING SYSTEM. See Roof assembly. ROOF DECK. The flat or sloped surface not including its sup- porting members or vertical supports. ROOF ...

How to Know if Your Roof Can Support a Deck | Home Guides | SF ...

To safely install a roof deck, the roof needs to be able to support about 55 pounds of weight per square foot in general. However, this calculation can vary depending upon what you plan on using the deck for. For instance, if you plan on installing something heavy like a planter or a hot tub, the deck and roof may require ...

Pedestal Paver Systems for Elevated Decks - ArchiSeventrust

Pedestal systems enable you to quickly and easily build elevated decks using pavers, wood tiles or steel grating over sloping or uneven substrates without the ... These deck supports can be used in a very diverse range of applications, including landscaping, elevated decks, rooftop decks, balconies, patios, plaza decks, ...