Decking Installation Guide v20191125US
CONTENTS Important Note 2-7 Expansion and Contraction Values 7-9 Breaker Board Installation 10 - 11 Bullnose Installaton 12 - 13 Decking Installation 14 - 19 Decking Installation Guide / v20191125US 1
IMPORTANT: Read All Sections Before You Start For the most up to date information, please visit our website @ www.newtechwood.com Prior to installing any composite decking, it is recommended that you check with local building codes for any special requirements or restrictions. The diagrams and instructions outlined in this guide are for illustration purposes only and are not meant or implied to replace a licensed professional.
(www.aclstaticide.com) on your deck or use anti-static mats before doorways. NewTechWood’s products have been tested against EN 1815 - Assessment of Static Electrical Propensity and have received values under the maximum standard of 2kV. Ventilation NewTechWood products CANNOT be directly installed onto a at surface. It must be installed onto a substructure that is made into a frame, so there is adequate and unobstructed air flow under the decking to prevent excessive water absorption.
1”1/2 90 degree angle 1”1/2 Composite Board Joist Sister Joist DIAGRAM 1 DIAGRAM 2 DIAGRAM 3 Fasteners Continued Always use screws designated for use with composite decking material. Always test the screws on a scrap piece of board to ensure the screws do not cause the surface of the decking to mushroom or bulge around the head of the screw. If it does cause this issue, change to a different brand of screw.
Storage NewTechWood’s products always need to be stored on flat solid surfaces. Surfaces such as dirt and grass are not sufficient as they can move over time. NewTechWood products shown above put on a flat surface on joists, this is the correct way for storage. NewTechWood products shown above on an uneven surface which will make the products prone to warping and distortion. NewTechWood products shown above can be on pedestals or jacks if the surface is uneven.
Framing First, determine the decking span, that is , how far apart your joists will be. The frame needs to be completely level before installing any boards. Note: Adequate spacing in the joists is required to keep the deck boards from bending. Please review the chart below to see what spacing is required for your profile.
Maximum Decking Spans on Center-to-Center Region Profile Dimensions Residential Span Commercial Span US07, Solid Board 5.5 x 0.9 inches 16 inches 12 inches US01, Grooved Solid Board 5.5 x 0.9 inches 16 inches 12 inches 5.5 x 0.9 inches 16 inches 12 inches 5.5 x 0.9 inches 14 inches 10 inches UH07, Grooved Channeled Hollow Board 5.5 x 0.9 inches 14 inches 10 inches UH01, Grooved Channeled Square Hollow Board 5.5 x 0.
Installation Temperature (Farhenheit) Expansion and Contraction table of values for North America, Canada, Australia and Asia (between 20 N and 20 S in latitude) Length (Feet) 3 8 9 10 12 13 13 16 18 32 1/16 2/16 2/16 3/16 3/16 3/16 4/16 4/16 5/16 41 1/16 2/16 2/16 2/16 3/16 3/16 3/16 4/16 4/16 50 1/16 2/16 2/16 2/16 2/16 2/16 3/16 3/16 3/16 59 1/16 1/16 1/16 2/16 2/16 2/16 2/16 2/16 3/16 68 3/64 1/16 1/16 1/16 1/16 1/16 2/16 2/16 2/16 77 3/64 1/
When installing boards one full length across the deck, we recommended locking the board in the middle to allow for even expansion and contraction to take place on both ends as shown in Diagram 5. Expansion and Contraction DIAGRAM 5 When installing two boards across the deck, locking clips are recommended to be used at the butt joints to ensure proper gapping during expansion and contraction as shown in Diagram 6.
Breaker Board Installation Diagram 7 and 8 below show how framework and installation of the breaker board respectively. Diagram 7 framework uses a ladder joist installation where the user is building a frame perpendicular for the board that will be running down it. Note: The T-Clip can be used as a breaker board clip by cutting it in half as shown in Diagram 9.
Review Diagram 10 and the table below with the maximum spacing from center to center for stair tread installation. Stair treads built with NewTechWood must meet requirements by the major national building codes. Consult your local municipality for specific requirements. A minimum of four (4) stringers are required. Overhang on a stair tread should not exceed more than 5/8 inch. Note: Stair treads should only be installed using solid profiles.
Bullnose Installation Use the table on the previous page to determine the center to center spacing for the bullnose profile. A minimum of four (4) stringers are required when installing the bullnose profile. Overhang on a stair tread should not exceed more than 5/8 inch. Starting Accessory Installation: First, determine how many boards your stair is going to take to finish (with clips) and then you can start to measure where the TC-5/MG-3 (SC25) starting clip will go.
3 Now take the next board and have it situated behind the bullnose profile as shown in Diagram 14. 5 Finally, finish your last board by face fixing into the board at every joist as shown in Diagram 17. Note: Remember to pre-drill before face fixing into the board. Also face fixing must happen at a 90 degree angle and must be at least 1” 1/2 by 1” 1/2 from the ends and the width of the board.
Framing First, determine the decking span, that is, how far apart your joists will be. The frame needs to be completely level before installing any boards. Note: Adequate spacing in the joists is required to keep the deck boards from bending. Please review the chart on page 5-6 of this installation guide to see what spacing is required for your profile. Decking Installation When installing the deck, the first and last board of your project will need to use a starting accessory.
Option 2: UltraLock System 1 First, slide the UL-1 and UL-2 clips into the grooves of the boards at a 30-45 degree anglen at their respective joists as shown in Diagram 25. DIAGRAM 22 DIAGRAM 25 2 Note: Using hidden fasteners that are not manufactured by NewTechWood nor recommended by NewTechWood are not warranted. Use these fasteners at your own risk. DIAGRAM 23 3 Repeat steps 1-2 until the deck is complete. 4 The final installed clips should look like Diagram 24.
4 Once all clips are screwed down, the next board will come in at a 30-45 degree angle and then pushed down into place as shown in Diagram 28. 1 First, slide the TC-10 and TC-2 clips into the grooves of the boards with screws facing up as show in Diagram 30. T-Clip (TC-2) Locking Clip (TC-10) DIAGRAM 28 5 Repeat steps 1-4 until the deck is complete. 6 The final installed clips should look like Diagram 29.
4 The final installed clips should look like Diagram 32. Note: The locking clip is in the middle of Diagram 32 to show the expansion and contraction is happening in both directions. For more information on how to install the locking clips and their placement, check page 8 of this installation guide. DIAGRAM 34 3 Next, fix the screw down into the joist as shown in Diagram 35. DIAGRAM 32 Option 4: Mini Gap Clip Installation Note: The following shows how to install the mini gap clip system.
5 Repeat steps 1-4 until complete. 6 The final look should be like the below Diagram 38. Note: The locking clip is in the middle of Diagram 38 to show the expansion and contraction is happening in both directions. For more information on how to install the locking clips and their placement, check page 8 of this installation guide. 2 First, pre-drill the holes for the fascia board with the Deckfast Fascia Tool.
Removing a board 1 Start by unfastening all the clips from the joist on both sides of the board as shown below in Diagram 42. DIAGRAM 45 DIAGRAM 42 2 Next slide all clips out of the board as shown below in Diagram 43. DIAGRAM 46 5 After the new board is in position insert the clips through the groove and into the correct position as shown in Diagram 47. The clips should then be installed as shown in Diagram 48. DIAGRAM 43 3 Next slide out the board as shown below in Diagram 44.
Decking Installation Guide v20191125US ©2019 Huidong Meixin Plastic Lumber Products Manufacturing Co., Ltd. NewTechWood® is a registered trademark of Huidong Meixin Plastic Lumber Products Manufacturing Co., Ltd. To obtain a copy of the most current version of this installation guide, visit us online at www.newtechwood.com.
