Browse Categories
Browse by Manufacturer
Mailing Lists
Search

Simpson HTT4 Heavy Tension Tie


MSRP: $15.99
Price: $15.23
You Save: $0.76 (5 %)
Item Number: HTT4
Manufacturer: Simpson Strong-tie
Manufacturer Part No: HTT4
Simpson HTT4 Heavy Tension Tie

Tension ties offer a solution for resisting tension loads that is fastened with nails. The entire line of tension ties has been tested and evaluated to the requirements of AC155.

The HTT4 and HTT5 are the latest generation of tension ties. They feature an optimized nailing pattern which results in better performance with less deflection. Designed to meet new code standards, the HTT4 and HTT5 offer higher loads than their predecessors.

The LTT19 Light Tension Tie is designed for 2x joists or purlins and the LTT20B is for nail- or bolt-on applications. The 3" nail spacing makes the LTT20B suitable for wood I-joists with 10dx1 1/2. The LTTI31 is designed for wood chord open web truss attachments to concrete or masonry walls and may also be installed vertically on a minimum 2x6 stud.

Material: See table.

Finish: Galvanized. May be ordered HDG; contact Simpson Strong-Tie.

Installation:

  • Use all specified fasteners. See General Notes.
  • For use in vertical and horizontal applications.
  • To tie double 2x members together, the Designer must determine the fasteners required to bind members to act as one unit without splitting the wood.
  • The Designer shall specify anchor bolt type, length and embedment. See SB and SSTB Anchor Bolts.
  • Refer to Anchor Designer Software for ACI 318 for anchoring solutions.

Table

  1. Allowable loads have been increased for wind or earthquake load durations with no further increase allowed; reduce where other load durations govern.
  2. Post design by Specifier. Tabulated loads are based on minimum 3"x3 1/2" post (in 3 1/2" wall). Post may consist of multiple members provided they are connected independently of the holdown fasteners. See Post Capacities for common post allowable loads.
  3. A standard cut washer is required under anchor nut for LTT19 and LTT20B when using 1/2" or 5/8" anchor bolts. No additional washer is required when using a 3/4" anchor bolt.
  4. Deflection at Highest Allowable Tension Load includes fastener slip holdown deformation, and anchor bolt elongation for holdowns installed up to 4 1/2" above top of concrete. HTT4 and HTT5 may be installed raised up to 18" above top of concrete with no load reduction provided that additional elongation of the anchor rod is accounted for.
  5. If the base of the LTTI31 is installed flush with a concrete or masonry wall, then the allowable load is 2285 lbs.
  6. Allowable tension load for HTT5 with a bearing plate washer BP5/8-2 (sold separately) installed in the seat of the holdown is 5295 for DF/SP and 4555 for SPF/HF.
  7. HTT5KT is sold as a kit with the holdown, BP 5/8-2 bearing plate washer and 26-SD #10x2 1/2 screws.
  8. Structural composite lumber columns have sides that show either the wide face or the edges of the lumber strands/veneers. Values in the tables reflect installation into the wide face. See technical bulletin T-SCLCOLUMN for values on the narrow face (edge).
  9. HTT4 with SD #10x1 1/2 screws achieves full load on a single 2x6 stud or joist.
  10. FASTENERS: 10dx1 1/2= 0.148" dia. x 1 1/2" long,
    10d = 0.148" dia. x 3" long,
    16dx2 1/2= 0.162" dia. x 2 1/2" long,
    SD #10x2 1/2 = 0.161" dia. x 2 1/2",
    SD #10x1 1/2 = 0.161" dia. x 1 1/2".
    See other fastener sizes and information.

Related Products

Simpson HD5B Heavy Duty Bolted Holdown
MSRP: $30.99
Price: $22.44
You Save: $8.55 (28 %)
Simpson HD5B Heavy Duty Bolted Holdown
Simpson HD7B Heavy Duty Bolted Holdown
MSRP: $36.99
Price: $30.63
You Save: $6.36 (17 %)
Simpson HD7B Heavy Duty Bolted Holdown
Simpson HD9B Heavy Duty Bolted Holdown
MSRP: $48.99
Price: $37.49
You Save: $11.50 (23 %)
Simpson HD9B Heavy Duty Bolted Holdown
Simpson HDQ8-SDS3 14" inch Heavy Duty Holdown with Quick Install Screws
MSRP: $45.99
Price: $45.72
You Save: $0.27 (1 %)
Simpson HDQ8-SDS3 14" inch Heavy Duty Holdown with Quick Install Screws
Simpson HDU2-SDS2.5 Pre-deflected Holdown Quick Install
MSRP: $19.99
Price: $17.54
You Save: $2.45 (12 %)
Simpson HDU2-SDS2.5 Pre-deflected Holdown Quick Install
Simpson HDU4-SDS2.5 Pre-deflected Holdown Quick Install
MSRP: $24.99
Price: $20.00
You Save: $4.99 (20 %)
Simpson HDU4-SDS2.5 Pre-deflected Holdown Quick Install
Simpson HDU5-SDS2.5 Pre-deflected Holdown Quick Install
MSRP: $26.99
Price: $24.05
You Save: $2.94 (11 %)
Simpson HDU5-SDS2.5 Pre-deflected Holdown Quick Install
Simpson HDU8-SDS2.5 Pre-deflected Holdown Quick Install
MSRP: $42.99
Price: $37.65
You Save: $5.34 (12 %)
Simpson HDU8-SDS2.5 Pre-deflected Holdown Quick Install
Simpson HHDQ11-SDS2.5 Heavy Duty Holdown Quick Install
MSRP: $143.99
Price: $105.77
You Save: $38.22 (27 %)
Simpson HHDQ11-SDS2.5 Heavy Duty Holdown Quick Install

Product Reviews

Rate This Product:
or Create a Review
(0 Ratings, 0 Reviews)