volunteer guide - flash cards mitigation for high wind...

Volunteer Guide - FLASH CardsMitigation for High Wind Events

Wood Construction Connectors Card Reference

Developed by the Federal Alliance for Safe Homes (FLASH)®

1427 E. Piedmont Dr., Suite 2, Tallahassee, FL 32308www.FLASH.org • (877) 221-SAFE (7233)

Introduction

• This section features Simpson Strong-Tie Company Inc., wood construction connectors, type H/TSP. These connectors are rated for seismic and hurricane conditions. Reference catalogue F-C22011ADD, 2012 Addendum, Wood Construction Connectors. Type MTS connectors are also rated for hurricane conditions, refer to Technical Bulletin TFLCODE11, Connectors for Florida Hurricane Mitigation Retrofit when reroofing.

• All nails are listed in Appendix A.

• All illustrations are provided courtesy of Simpson Strong-Tie.

• The data provided within is for reference only and not intended to replace or substitute controlled engineering design data.

• Volunteer group members should always consult with the project coordinator/leader when questions arise or when further explanation is required.

Hurricane Tie Selection

• Hurricane tie connector selection is based on several factors made by design professionals.

• Final selection of the type of connector installed is based on performance, application, installed cost, and ease of installation.

Flash Tip No. 1

AVOID AMISINSTALLATION

do not makenew holes or

overdrive nails

Picture #1:Correct

Picture #2:Incorrect

Picture #3:Incorrect

Illustrations provided courtesy of Simpson Strong-Tie®

Flash Tip No. 2

Always fill a round hole with the speci-fied fastener — nail, screw, or bolt.

Round Hole(Required)

Oval Hole(Required)

Triangular Hole(Optional)

Treat oval holes like round holes. Always fill them with the specified fastener. (No exceptions!)

Every job is unique. Do not fill triangular holes unless specified by the Construction Manager.


The shape of the hole — round, oval, or triangular— provides important information about what to do with that hole.


• All connectors have been designed to use a specific fastener.

• The specific quantity, type and size of nails or screws must be used.

• Refer to the chart to ensure the correct nail is used.

Flash Tip No. 3


Type H1 Connector

H1 connectors can be installed with flanges inward, (reverse from image 1 below).

Step 1: Nail four (4) 8d nails into the plates (F1)

Step 2: Nail six (6) 8d x 1½" into the rafter (F2)

Type H2 Connector


F2

F3

F1

H2A and H2ASS (constructed from stainless steel) are installed as shown. See Appendix-A for stainless steel required nails.

Step 1: Nail two (2) 8d x 1½" nails into the plates (F1)

Step 2: Nail six (6) 8d x 1½" nails into the rafter (F2)

Step 3: Nail five (5) 8d x 1½" nails into the studs (F3)


TSP connectors are installed as shown.

Step 1: Nail six (6) 10d x 1½"nails into the plates (F1)

Step 2: Nail nine (9) 10d x 1½"nails into the rafter (F2)

Type TSP Connector

10d


H2.5, H2.5A and H2.5ASS (constructed from stainless steel) are installed as shown with exception of selected nails. See Appendix-A for stainless steel required nails.

Step 1: Nail five (5) 8d nails into the plates (F1)

Step 2: Nail five (5) 8d nails into the rafter (F2)

Type H2.5A Connector

8d


H2.5T nails into both top plates.

Step 1: Nail five (5) 8d nails into the plates (F1)

Step 2: Nail five (5) 8d nails into the rafter (F2)

Type H2.5T Connector

8d


H3 connectors nail into upper top plate only. The H3 example shown are good for a single bottom plate or where a single top plate is on top of a masonry wall.


Step 2: Nail four (4) 8d nails into the rafter (F2)

Type H3 Connector

8d


H4 connectors when used as per fig. 9 nails into the top plate only. The H4 example shown is good for a single bottom plate or where a single top plate is on top of a masonry wall.



Type H4 Connector

8d


H5 nails into both top plates.



Type H5 Connector

8d


Used in hip truss or hip ridge to wood wall installations. Type MTS12 connectors replace H6 and H7Z connectors.

Step 1: Nail three (3) 10d x 1½" nails into the top plates (F1)

Step 2: Wrap the strap and nail four (4) 10d x 1½" to the bottom of the top plate

Step 3: Nail five (5) 10d x 1½" nails into the rafter (F2)

Step 4: Wrap the strap over the top of the rafter and nail two (2) 10d x 1½" into the other side of the rafter

Type MTS12 Connector*

10d x 11/2"

10d x 11/2"


When attaching H8 as shown in Fig. 15 use four 8d nails into plate and five 8d into stud.

Step 1: Nail five (5) 10d x 1½” nails into the plates (F1)

Step 2: Nail five (5) 10d x 1½” nails into the rafter (F2)

Type H8 Connector

10d x 11/2"


H10A optional nailing connects Shear blocking to rafter. Slot allows maximum field – bending (Fig. 17) up to a pitch of 6/12. See Appendix-A for stainless steel required nails.

Step 1: Nail nine (9) 10d x 1½” nails into the plates (F1)

Step 2: Nail nine (9) 10d x 1½” nails into the rafter (F2)

Type H10A Connector

10d


H10A optional nailing connects Shear blocking to rafter. Slot allows maximum field – bending (Fig. 17) up to a pitch of 6/12. See Appendix-A for stainless steel required nails.

Step 1: Nail six (6) 10d nails into the plates (F1)

Step 2: Nail six (6) 10d nails into the rafter (F2)

Type H10-2 (H11Z Similar) Connector

8d x 11/2"


Step 1: Nail eight (8) 8d x 1½” nails into the plates (F1)

Step 2: Nail eight (8) 8d x 1½” nails into the rafter (F2)

Step 3: Nail nine (9) 9d nails into the stud (F3)

Type H10S Connector

8d

8d x 11/2"


Type H14 Connector

H14 installation to double top plates.

Step 1: Nail thirteen (13) 8d nails into the plates (F1)

Step 2: Nail twelve (12) 8d x 1½” nails into the rafter (F2)

Step 3: If using a header - Nail fifteen (15) 8d nails into the stud (F3)


Hurricane Tie Installations to Achieve Twice The Load

(Top View)Both connectors should be same model.

APPENDIX-A, H/TSP CONNECTOR REQUIRED NAILS

Model No. GaugeFasteners

To Rafters/Truss To Plates To StudsH1* 18 6-8d x 1-1/2 4-8d -

H2A 18 5-8d x 1-1/2 2-8d x 1-1/2 5-8d x 1-1/2

H2ASS 18 5-SS8d 2-SS8d 5-SS8d

H2.5A* 18 5-8d 5-8d -

H2.5ASS 18 5-SS8d 5-SS8d -

H2.5T 18 5-8d 5-8d -

H3 18 4-8d 4-8d -

H4* 20 4-8d 4-8d -

H5* 18 4-8d 4-8d -

MTS12 18 7-10d x 1-1/2 7-10d x 1-1/2 -

H7Z 16 4-8d 2-8d x 1-1/2 8-8d

H8* 18 5-10d x 1-1/2 5-10d x 1-1/2 -H10A Sloped 18 9-10d x 1-1/2 9-10d x 1-1/2 -

APPENDIX-A, H/TSP CONNECTOR REQUIRED NAILS-Cont’d

Model GaugeFasteners

To Rafters/Truss To Plates To StudsH10A 18 9-10d x 1-1/2 9-10d x 1-1/2 -

H10ASS 18 9-SSN10 9-SSN10 -

H10AR 18 9-10d x 1-1/2 9-10d x 1-1/2 -

H10S 18 8-8d x 1-1/2 8-8d x 1-1/2 8-8d

H10A-2* 18 9-10d x 1-1/2 9-10d x 1-1/2 -

H10-2 18 6-10d 6-10d -

H11Z 18 6-16d x 2-1/2 6-16d x 2-1/2 -

H14 1812-8d x 1-1/2 13-8d -

12-8d x 1-1/2 15-8d -

TSP 169-10d x 1-1/2 6-10d x 1-1/2 -

9-10d x 1-1/2 6-10d -

*Installation may be made with Simpson-Drive SD Structural Connector Screw. Consult with project coordinator/leader prior to changing nails or fasteners.

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